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percentage mass of gold in an alloy

Started by Zamzen | Last post by Borek February 12, 2011, 08:23:50 AM

3 Replies
4315 Views
Last post February 12, 2011, 08:23:50 AM
by Borek
Fraction of argon gas at 400k energy > 10kJ

Started by Zamzen | Last post by Zamzen April 29, 2011, 10:39:15 PM

2 Replies
4713 Views
Last post April 29, 2011, 10:39:15 PM
by Zamzen
10 %solution of BaCl2*2H2O

Started by zanio | Last post by zanio April 01, 2018, 01:42:07 AM

6 Replies
3465 Views
Last post April 01, 2018, 01:42:07 AM
by zanio
A (seemingly) basic energy-level question

Started by ZanyCat | Last post by Corribus May 26, 2013, 11:14:14 AM

1 Replies
1292 Views
Last post May 26, 2013, 11:14:14 AM
by Corribus
Natural and synthetic Rubber

Started by zanyragdoll | Last post by AWK March 23, 2006, 01:18:03 PM

1 Replies
6743 Views
Last post March 23, 2006, 01:18:03 PM
by AWK
pH for titration-type question

Started by Zaphia | Last post by Zaphia September 04, 2007, 10:03:54 AM

3 Replies
3619 Views
Last post September 04, 2007, 10:03:54 AM
by Zaphia
Need a little bit of help REDOX

Started by Zapper | Last post by Borek March 04, 2009, 03:24:25 AM

3 Replies
2799 Views
Last post March 04, 2009, 03:24:25 AM
by Borek
Amino acids

Started by Zara | Last post by enahs August 01, 2007, 10:36:35 AM

1 Replies
2598 Views
Last post August 01, 2007, 10:36:35 AM
by enahs
penetration of electrons

Started by Zatom | Last post by Zatom March 20, 2007, 08:48:25 PM

0 Replies
2046 Views
Last post March 20, 2007, 08:48:25 PM
by Zatom
Polarizabilityof hard base

Started by Zawarmian | Last post by Zawarmian December 23, 2014, 02:29:45 AM

0 Replies
1273 Views
Last post December 23, 2014, 02:29:45 AM
by Zawarmian
Finding pH at equivalence point

Started by zazjaju | Last post by Borek November 29, 2010, 04:19:49 AM

1 Replies
2039 Views
Last post November 29, 2010, 04:19:49 AM
by Borek
box of chemicals found

Started by zazoo | Last post by constant thinker May 14, 2007, 09:45:50 PM

3 Replies
3391 Views
Last post May 14, 2007, 09:45:50 PM
by constant thinker
absorbance and %transmittance

Started by zcabral | Last post by ARGOS++ April 20, 2008, 05:13:35 PM

2 Replies
7406 Views
Last post April 20, 2008, 05:13:35 PM
by ARGOS++
calculating moles at equilibrium,quadratic eqautions

Started by zcbteo6 | Last post by AWK April 17, 2009, 07:11:22 AM

4 Replies
7497 Views
Last post April 17, 2009, 07:11:22 AM
by AWK
Chemical reaction database

Started by zeck0o | Last post by AWK March 28, 2006, 12:49:17 AM

5 Replies
5708 Views
Last post March 28, 2006, 12:49:17 AM
by AWK
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