11.57  [ENDORSED]

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Jessica Wakefield 1H
Posts: 58
Joined: Thu Jul 27, 2017 3:00 am


Postby Jessica Wakefield 1H » Fri Dec 01, 2017 9:30 pm

A reaction mixture consisting of 2.00 mol CO and 3.00 mol H2 is placed in a 10.0 L reaction vessel and heated to 1200 K. At equilibrium, 0.478 mol CH4 was present in the system. Determine the value of Kc for the reaction CO(g)+3H2(g)<>CH4(g)+H20(g) at 1200 K.

Does anyone know why you don't convert the moles to molarity for #57 but you do for other problems?

Janine Chan 2K
Posts: 71
Joined: Fri Sep 29, 2017 7:04 am

Re: 11.57  [ENDORSED]

Postby Janine Chan 2K » Sat Dec 02, 2017 12:12 am

If you're given moles and liters, you'll have to convert to molarity. K can only be found with concentrations (molarity) or partial pressure (where the units will be something like atm, bar).

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