I need help with this problem. I am not sure what equation to use.

Started by rhazen | Last post by Borek September 10, 2010, 04:19:06 AM

Accident-help: swallowed my eye polish remover

Started by light | Last post by GCT April 30, 2005, 08:33:59 PM

Mass percent / mole fraction / Freezing point / boiling point questions

Started by desertfox23 | Last post by Dan July 01, 2015, 08:41:38 AM

Combustible

Started by Goala | Last post by Goala September 19, 2012, 06:59:09 AM

Simple(?) Chemistry Problem

Started by Racket | Last post by fledarmus September 18, 2012, 07:53:19 AM

Homework help. What is the new pH of the buffer

Started by stardancer | Last post by Borek October 01, 2012, 05:08:05 AM

In this problem, what should I do after I found the Van't Hoff factor?

Started by o1ocups | Last post by o1ocups February 24, 2009, 07:02:22 AM

Is 91% isopropyl alcohol abrasive on plastic? (I think I smoked it)

Started by cjordan | Last post by ARGOS++ April 05, 2008, 05:32:33 PM

How can I measure the change in concentration?

Started by inspiration100 | Last post by inspiration100 April 06, 2008, 08:31:50 PM

expansion work

Started by fruitbasket | Last post by english January 10, 2007, 05:34:51 AM

Urgent Question. E=mc^2, mass defect.

Started by nothincomin | Last post by Borek August 07, 2010, 04:57:19 AM

finding concentration in PPM

Started by daylight | Last post by ARGOS++ February 08, 2009, 04:38:14 PM

Determination of an Unknown Salt !

Started by ecestudent | Last post by NaOH April 16, 2010, 01:03:12 PM

Copper + Thiocyanate

Started by pantone159 | Last post by AWK January 16, 2006, 03:55:49 AM