Why is PH3 a polar molecule when P and H have the same electronegativity?

Started by AhBeng | Last post by parranoya September 28, 2012, 01:24:05 PM

What is a state function?!

Started by G O D I V A | Last post by leela sriram October 25, 2009, 03:50:40 PM

Gibbs Free Energy and G=Go+RTlnK derivation

Started by kev90123 « 1 2 » | Last post by era1236 May 29, 2017, 08:40:09 AM

Resonance structure for ClO4-

Started by elliotyang | Last post by receipt October 23, 2010, 02:13:57 AM

What cause gas pressure?

Started by Winga « 1 2 » | Last post by ssssss August 08, 2004, 03:18:18 AM

Negative entropy.

Started by Jose M. | Last post by edwinksl October 04, 2006, 09:47:05 AM

New to physical chemistry, what is the best text to understand it?

Started by Twickel « 1 2 3 » | Last post by cseil August 14, 2015, 10:30:38 AM

Isothermal expansion

Started by madscientist « 1 2 » | Last post by Donaldson Tan September 03, 2006, 12:17:32 PM

Equilibrium kinetics

Started by Big-Daddy « 1 2 3 ... 12 » | Last post by curiouscat June 03, 2013, 05:28:51 AM

difference between deltaH and q

Started by 21385 | Last post by Yggdrasil February 17, 2008, 08:25:23 PM