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Why enthalpy = heat only at constant pressure?

Started by vkut79 | Last post by Yggdrasil March 30, 2008, 03:15:38 PM

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Last post March 30, 2008, 03:15:38 PM
by Yggdrasil
Electrophilic addition

Started by vladgelu18 | Last post by Babcock_Hall June 15, 2017, 09:01:47 AM

1 Replies
1582 Views
Last post June 15, 2017, 09:01:47 AM
by Babcock_Hall
Why does liquid co2 goes back to solid at atmospheric pressure?

Started by vlajky | Last post by vlajky May 19, 2012, 11:54:39 AM

0 Replies
1678 Views
Last post May 19, 2012, 11:54:39 AM
by vlajky
protic state of phosphoric acid

Started by vlt75 | Last post by Borek October 20, 2007, 02:22:35 PM

1 Replies
3116 Views
Last post October 20, 2007, 02:22:35 PM
by Borek
pH question

Started by vmaggio | Last post by Nick August 02, 2007, 09:35:59 PM

1 Replies
5058 Views
Last post August 02, 2007, 09:35:59 PM
by Nick
pH question help

Started by vmaggio | Last post by AWK August 06, 2007, 12:02:55 PM

1 Replies
4254 Views
Last post August 06, 2007, 12:02:55 PM
by AWK
Thanks for everyones help

Started by vmaggio | Last post by vmaggio August 06, 2007, 11:28:29 AM

0 Replies
2426 Views
Last post August 06, 2007, 11:28:29 AM
by vmaggio
calculate E at 25°C for a cell

Started by vmaggio | Last post by sdekivit August 06, 2007, 03:58:50 AM

1 Replies
2836 Views
Last post August 06, 2007, 03:58:50 AM
by sdekivit
Molar Solubility

Started by vmaggio | Last post by Yggdrasil August 05, 2007, 07:10:01 PM

1 Replies
3763 Views
Last post August 05, 2007, 07:10:01 PM
by Yggdrasil
pQ?

Started by vmaggio | Last post by enahs August 04, 2007, 02:39:00 PM

1 Replies
3066 Views
Last post August 04, 2007, 02:39:00 PM
by enahs
Ksp help

Started by vmaggio | Last post by enahs August 04, 2007, 12:39:36 PM

4 Replies
4870 Views
Last post August 04, 2007, 12:39:36 PM
by enahs
moles of electron problem

Started by vmaggio | Last post by sjb August 03, 2007, 05:18:56 PM

7 Replies
4942 Views
Last post August 03, 2007, 05:18:56 PM
by sjb
Simple %dissociation problem

Started by vmaggio | Last post by Borek August 03, 2007, 02:29:31 AM

3 Replies
5968 Views
Last post August 03, 2007, 02:29:31 AM
by Borek
Calculating grams of solute using vapor pressure, temp, and grams of solvent

Started by vmdenslow | Last post by Donaldson Tan November 20, 2005, 04:29:13 PM

1 Replies
4516 Views
Last post November 20, 2005, 04:29:13 PM
by Donaldson Tan
Why is the pH of a 1:1 carb/bicarb sol'n 9.4, when the pKa is 10.3?

Started by vnaraya3 | Last post by Arkcon February 16, 2015, 07:34:53 PM

1 Replies
1414 Views
Last post February 16, 2015, 07:34:53 PM
by Arkcon
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