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Hard equilibrium constant question
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Topic: Hard equilibrium constant question (Read 5243 times)
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GaZMan
Guest
Hard equilibrium constant question
«
on:
June 04, 2005, 08:30:46 AM »
PCl
5
-> PCl
3
+ Cl
2
0.60 Mol of PCl
5
is introduced into a 2.00L sealed vessel which is heated to 180 degress C. when equilibrium is established the concentration of Cl
2
is 0.054M. The value for K for this reaction at 180 degrees C is:
A. 0.0097
B. 0.0059
C. 0.012
D. 84
«
Last Edit: June 04, 2005, 09:06:22 AM by geodome
»
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AWK
Retired Staff
Sr. Member
Posts: 7978
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Re:Hard equilibrium constant question
«
Reply #1 on:
June 04, 2005, 08:45:25 AM »
Calculate concentrations at the equilibrium and put them to Keq=[Cl2][PCl3]/[PCl5]
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AWK
GaZMan
Guest
Re:Hard equilibrium constant question
«
Reply #2 on:
June 04, 2005, 08:52:00 AM »
question doesnt give concentration for PCl2
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Donaldson Tan
Editor, New Asia Republic
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Sr. Member
Posts: 3177
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Re:Hard equilibrium constant question
«
Reply #3 on:
June 04, 2005, 09:07:11 AM »
do a mole balance to find the amount of Cl
2
present in equilibrium
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"Say you're in a [chemical] plant and there's a snake on the floor. What are you going to do? Call a consultant? Get a meeting together to talk about which color is the snake? Employees should do one thing: walk over there and you step on the friggin� snake." - Jean-Pierre Garnier, CEO of Glaxosmithkline, June 2006
GaZMan
Guest
Re:Hard equilibrium constant question
«
Reply #4 on:
June 04, 2005, 09:11:21 AM »
can you please give instructions and method to work out the question
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GCT
Guest
Re:Hard equilibrium constant question
«
Reply #5 on:
June 04, 2005, 09:58:53 AM »
First off, you need to indicate the appropriate subscripts to the equation (are there any solids, gases, liquids etc???)
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Hard equilibrium constant question