Why is urea basic and not acidic?

Started by SemonSays | Last post by Sam (NG) May 11, 2007, 10:32:22 AM

Vapor pressure of a sample of water

Started by wallaby | Last post by ARGOS++ April 01, 2009, 10:27:26 PM

Does Helium react with solid Co2 (Dry Ice)

Started by Brunusmcchunky | Last post by ARGOS++ December 11, 2008, 02:35:02 PM

Oxidation numbers problems(Grade 12)

Started by 777888 | Last post by AWK July 11, 2011, 06:56:02 AM

Redox Half Reactions again

Started by hihi123 | Last post by Borek May 20, 2005, 04:43:31 PM

chemistry

Started by soosterling | Last post by Borek December 09, 2008, 05:53:07 PM

Hexane dissolving in substance X

Started by Rutherford | Last post by Rutherford April 13, 2013, 02:58:26 AM

Methol

Started by dina | Last post by dina September 17, 2017, 06:46:48 AM

Why doesn't helium burn?

Started by ChemKid | Last post by Mitch May 07, 2005, 05:18:32 PM

Chemical equations, help needed

Started by Sbaraka | Last post by Sbaraka May 21, 2009, 08:33:28 AM

Radioactive Decay - Please explain

Started by Azureilai | Last post by fledarmus December 11, 2012, 10:03:45 PM

calculate the percentage purity of the potassium hydroxide

Started by biomed77 | Last post by Borek February 08, 2006, 02:20:56 PM

Precipitation problem

Started by moop1 | Last post by AWK December 19, 2016, 12:45:27 PM

Electrolysis of dilute NaCl

Started by shalikadm | Last post by Caustikola July 28, 2012, 12:49:27 PM

Balancing Equations Using Half-Cell Method

Started by MPQC | Last post by MPQC February 25, 2010, 04:54:14 PM