When is ΔH soln expected to be negative?

Started by JamesIon | Last post by Darren June 19, 2012, 09:32:51 PM

hmk problem

Started by jarceo | Last post by jarceo September 20, 2008, 12:20:26 PM

Finding diameter of a circle with volume and thickness

Started by artwill872 | Last post by artwill872 February 05, 2011, 05:31:25 PM

Chemistry Supplies

Started by The Roseate Spoonbill « 1 2 » | Last post by The Roseate Spoonbill April 21, 2008, 11:29:13 PM

why is HF not a strong acid?

Started by LQ43 | Last post by LQ43 October 14, 2007, 05:14:31 PM

Why is NH4Cl ionic?

Started by maccha | Last post by Dan September 30, 2009, 03:49:00 AM

Electrochem question

Started by 21385 | Last post by 21385 February 09, 2008, 09:56:16 PM

Fuel cells

Started by refid « 1 2 » | Last post by Borek August 02, 2006, 09:39:02 AM

Avogadro's Number

Started by Joules23 | Last post by Joules23 January 30, 2007, 02:33:30 AM

Isomerism: HNNH and H2NNH2

Started by gleeman | Last post by gleeman April 11, 2008, 03:37:49 PM

Galvanic Cell Salt Bridge Question

Started by nj_bartel | Last post by Borek April 08, 2009, 03:41:36 AM

Why is imidazole aromatic?

Started by CrimpJiggler | Last post by fledarmus October 15, 2011, 09:29:00 AM

plz .. help me i have some problems !

Started by john_123 | Last post by john_123 January 31, 2010, 06:10:05 AM

help ! stoichiometry

Started by cœur_vaillant | Last post by Borek June 13, 2008, 10:35:07 AM

Maximum Solubility of Co2 in water

Started by Neverquit | Last post by Neverquit February 01, 2011, 01:53:33 PM