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Enthalpies of reaction so lost
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rockstarzy
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1
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443
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November 09, 2008, 12:02:10 PM
by Arkcon
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wavelength
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rockstarzy
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1
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393
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November 09, 2008, 11:58:15 AM
by Arkcon
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need help on enthalpy question
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kidd101
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5
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714
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November 09, 2008, 07:12:55 AM
by Astrokel
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Simple Redox Reaction Question
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student8607
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2
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491
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November 09, 2008, 04:23:28 AM
by student8607
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Stoichiometry problem
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myoplex11
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2
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512
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November 08, 2008, 07:55:32 PM
by raffster2
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chelates
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raffster2
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0
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308
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November 08, 2008, 07:53:53 PM
by raffster2
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Chemical equilibrium
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capfroggy2k
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1
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410
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November 08, 2008, 07:34:03 PM
by Astrokel
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Calculate the change in Gibbs free energy for each of the following sets of ΔH_r
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rgp1101
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3
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565
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November 08, 2008, 03:31:31 PM
by macman104
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entropy, thermodynamics, spontaneous change (please *delete me*!)
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rgp1101
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0
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313
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November 08, 2008, 12:50:57 PM
by rgp1101
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need help with thermodynamics question
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james101
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1
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424
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November 08, 2008, 12:34:18 PM
by Borek
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Figuring out molecular weight of an unknown diprotic acid
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slu1986
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20
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3815
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November 08, 2008, 07:48:47 AM
by slu1986
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Net Ionic and Thero Chem
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princemac
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7
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830
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November 08, 2008, 06:06:00 AM
by princemac
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heats of formation
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myoplex11
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3
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491
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November 08, 2008, 05:34:23 AM
by Astrokel
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Electrolytes
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stumped26
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1
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418
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November 08, 2008, 01:02:58 AM
by Borek
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Stoichiometry/Percent Yield
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stumped26
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1
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546
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November 07, 2008, 10:46:11 PM
by Astrokel
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water,oil and sugar.two questions, plz
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Maher Chaar
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1
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480
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November 07, 2008, 11:09:18 AM
by Two00proof
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Trichloroanisole
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car24
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4
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547
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November 07, 2008, 11:02:29 AM
by Two00proof
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molecular weight of diprotic acid
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meenu
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2
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545
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November 07, 2008, 04:45:50 AM
by meenu
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Density and diluted solutions
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student8607
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26
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1975
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November 07, 2008, 03:02:27 AM
by Borek
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basica chem help :(
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sweetie
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1
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436
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November 07, 2008, 02:45:45 AM
by JGK
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what is the point group of Na2O?
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Chaste
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8
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805
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November 07, 2008, 12:18:21 AM
by AWK
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How to....prepare a solution?
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student8607
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1
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524
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November 06, 2008, 09:15:40 PM
by Borek
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Molarity and Mass %
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john4614
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10
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970
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November 06, 2008, 09:12:14 PM
by Borek
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Wavelengths and Energy
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stev3n
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3
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519
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November 06, 2008, 01:59:22 PM
by student8607
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General chemistry
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sweetie
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2
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463
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November 06, 2008, 06:14:59 AM
by sweetie
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soap and animal fat
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tomgreenschic
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7
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772
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November 06, 2008, 02:39:31 AM
by Borek
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difference among coefficient and subscripts in chemical equation
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cube
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8
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1076
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November 06, 2008, 02:09:31 AM
by JGK
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balancing equation
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tomgreenschic
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3
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564
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November 05, 2008, 10:45:00 PM
by AWK
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xylene empirical formula?
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tomgreenschic
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3
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771
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November 05, 2008, 08:26:58 PM
by AWK
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how to find the percent yield when they don't give you theoretical yield?
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warriorchick1506
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2
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567
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November 05, 2008, 03:36:05 PM
by tomgreenschic
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Heat of Combustion!?! Formula?!
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jhb1422
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3
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1710
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November 05, 2008, 02:19:33 PM
by macman104
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Inorganic and Physical Chemistry Textbooks
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danago
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1
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499
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November 05, 2008, 03:52:33 AM
by P
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What is true or false about an excited electron?
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Whapper2006
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1
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492
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November 04, 2008, 08:33:30 PM
by Astrokel
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Biological buffers equation question
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Jamie
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1
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492
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November 04, 2008, 03:19:42 AM
by Borek
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Infinite dilute solution!
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shehri
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1
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518
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November 03, 2008, 09:21:52 PM
by Borek
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heat of reaction of mg with hcl
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YOEVEN
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1
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456
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November 03, 2008, 09:16:35 PM
by Borek
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A question about equilibrium
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jumper1127
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5
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615
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November 03, 2008, 09:11:38 PM
by Borek
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Reaction Mechanism Problem...
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JimJo
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1
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428
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November 03, 2008, 04:53:53 PM
by JimJo
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Question regarding molar solubility
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slu1986
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7
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672
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November 03, 2008, 03:04:39 PM
by macman104
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balancing an equation
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tomgreenschic
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3
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497
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November 03, 2008, 02:30:30 PM
by macman104
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balancing equations with varying amounts of O
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tomgreenschic
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1
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427
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November 03, 2008, 02:27:14 PM
by enahs
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Buffers
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dada2
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2
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489
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November 03, 2008, 11:21:12 AM
by Borek
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Acid-Base Buffers
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dada2
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6
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756
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November 03, 2008, 05:32:19 AM
by AWK
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Various methods to determine Gas Composition...
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lavesh
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0
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339
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November 03, 2008, 02:38:14 AM
by lavesh
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What is the molarity of 48% HBr?
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Perdesi
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1
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1082
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November 02, 2008, 06:58:20 PM
by AWK
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How do I find "n" (principal quantum number)
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StillLearning
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2
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850
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November 02, 2008, 02:35:04 PM
by StillLearning
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Products of a couple reactions...
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ross2376
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2
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530
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November 02, 2008, 10:50:35 AM
by ross2376
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I have to find a percentageof a formula in a mixture
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Tony30
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4
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621
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November 02, 2008, 09:47:30 AM
by Borek
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Limiting reagent, percent yield...*delete me*
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prncess23
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4
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583
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November 02, 2008, 09:39:20 AM
by prncess23
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How man grams of each reactant needed
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Tony30
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1
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477
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November 01, 2008, 05:13:54 PM
by macman104
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Voltaic cells: mass reduced at the cathode
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brandnewrocks13
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6
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796
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November 01, 2008, 12:40:01 AM
by Borek
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Does Al foil produce Hydrogen in Oven?
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NewsMaker
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3
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566
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November 01, 2008, 12:30:01 AM
by NewsMaker
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Calorimetry problem
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remeday86
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1
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499
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October 31, 2008, 08:47:24 PM
by remeday86
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Parts Per Million Question
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Periodic Table of Noob
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12
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1060
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October 31, 2008, 08:41:55 PM
by Periodic Table of Noob
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potassium chloride and brine
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skullkrusher
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1
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460
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October 31, 2008, 12:43:29 PM
by Arkcon
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Unknowns University/High School lab
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Omggg
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7
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937
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October 31, 2008, 06:38:10 AM
by Bioionic
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How much heat released????
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Lindsay
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7
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774
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October 30, 2008, 10:26:19 PM
by Astrokel
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Techniques Questions
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shiftthatbogie
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3
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617
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October 30, 2008, 12:24:44 PM
by Borek
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Limiting Agents/Precipitation Problem
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gcatal
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5
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693
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October 30, 2008, 10:32:12 AM
by Borek
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Why doesn't FeS dissolve in water?
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wtfmate08
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1
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425
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October 30, 2008, 10:30:34 AM
by Astrokel
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Solubility of AgIO3
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blightcutter
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4
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1369
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October 30, 2008, 10:15:29 AM
by blightcutter
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endothermic with pressure and temperature?
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jollyskales
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0
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331
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October 30, 2008, 09:56:19 AM
by jollyskales
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buffer solution help
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tabularasa
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2
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553
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October 30, 2008, 08:40:41 AM
by Borek
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Molarity
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student8607
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9
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963
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October 30, 2008, 03:53:59 AM
by student8607
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pH of dilution
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limekiwi
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2
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549
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October 29, 2008, 11:56:49 PM
by DrCMS
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Energy and wavelength from n=10 to n=9?
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Whapper2006
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3
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577
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October 29, 2008, 10:16:24 PM
by Borek
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Need some help - Substances in Water
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wtfmate08
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5
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616
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October 29, 2008, 09:19:41 PM
by Astrokel
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DIFFERENCE B/W BOND LENGTHS OF gaseous Iodine & solid Iodine.
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shehri
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0
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360
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October 29, 2008, 05:09:57 PM
by shehri
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What is the molar concentration of NaOH solution
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Lindsay
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6
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1166
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October 29, 2008, 05:58:32 AM
by macman104
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Leab Balloon
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Danielle55
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1
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623
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October 29, 2008, 05:01:53 AM
by Arkcon
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g, amu, molecules, g/mol...trying to organize this mess!
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student8607
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11
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1067
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October 29, 2008, 01:10:51 AM
by student8607
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energy of hydrogen atom
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itsme03
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1
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467
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October 28, 2008, 10:50:39 PM
by Borek
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hydrogen isotope & atomic emission spectrum
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itsme03
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2
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504
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October 28, 2008, 10:48:06 PM
by Borek
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pH question
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derek0o0
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5
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777
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October 28, 2008, 08:31:19 PM
by AWK
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Standard Reduction Potential
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maojaiyui
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12
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2332
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October 28, 2008, 07:45:18 PM
by Astrokel
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Specific Heats of MgO, MgCl2, H2
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Mr.Macdonald
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1
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912
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October 28, 2008, 07:32:04 PM
by Astrokel
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Calculate Molarity of sodium chloride?
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Whapper2006
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2
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518
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October 28, 2008, 07:27:52 PM
by Omggg
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Calculate Total Energy Change
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WalrusMan
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1
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428
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October 28, 2008, 07:26:15 PM
by Astrokel
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Is Isopropyl Alcohol Reusable for disinfection/sterilization?
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Reductase
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1
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510
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October 28, 2008, 03:22:56 PM
by 7453K
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Determining the volume of the Acetic acid solution
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Lindsay
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1
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601
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October 28, 2008, 09:54:42 AM
by Borek
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de Broglie equation.....what are the units?
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StillLearning
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2
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609
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October 27, 2008, 09:59:49 PM
by Borek
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pH of Two Component Solutions
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brentr
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4
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1396
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October 27, 2008, 08:01:17 PM
by brentr
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Number of calories produced by solution? can you check my answer?
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Whapper2006
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3
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532
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October 27, 2008, 11:42:05 AM
by Borek
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Chem I Balancing Precip..Need Help Not Answers
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john4614
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5
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809
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October 27, 2008, 02:53:53 AM
by Astrokel
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Don't know what formula to use....SO SORRY!
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remeday86
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1
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521
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October 27, 2008, 12:50:17 AM
by Borek
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How to find the maximum number of grams produced and grams left of a solution?
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remeday86
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3
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605
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October 27, 2008, 12:47:21 AM
by Borek
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Balancing Redox Problem
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johnnybananas
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3
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543
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October 26, 2008, 10:33:11 PM
by Borek
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Strength of reducing agents
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maojaiyui
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2
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540
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October 26, 2008, 10:19:02 PM
by Borek
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Titration
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Andee11
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1
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439
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October 26, 2008, 09:29:01 PM
by Astrokel
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The difference between Molecular orbital Theory and Valence bond theory
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Chaste
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6
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999
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October 26, 2008, 02:54:41 PM
by Chaste
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Delta H
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Wookie
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0
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395
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October 26, 2008, 02:14:16 PM
by Wookie
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Rydberg equation, calculate RH?
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Whapper2006
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1
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529
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October 26, 2008, 11:50:42 AM
by macman104
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toluene is non-polar?
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jumper1127
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7
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1927
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October 26, 2008, 08:41:31 AM
by macman104
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Calculate enthalpy of reaction
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nikita
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2
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1264
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October 26, 2008, 08:09:47 AM
by nikita
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Enthalpy change with calorimeter
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nikita
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2
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614
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October 26, 2008, 08:08:27 AM
by nikita
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IE and EA midpoint
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inferno_gogo
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1
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472
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October 25, 2008, 11:05:54 AM
by FeLiXe
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Dissolution of beryllium hydroxide
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Vighour
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1
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427
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October 25, 2008, 10:08:30 AM
by Arkcon
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Normal boiling point of CO2
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fred2028
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3
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613
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October 25, 2008, 09:20:38 AM
by Borek
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Stoichiometry and Molarity
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Ducky831
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1
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505
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October 24, 2008, 10:03:28 PM
by Borek
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Lattice Energy and the Periodic Table
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staz13
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1
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597
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October 24, 2008, 12:58:32 PM
by Borek
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