problem 5I.11

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Athena L 1B
Posts: 59
Joined: Fri Sep 28, 2018 12:18 am

problem 5I.11

Postby Athena L 1B » Thu Jan 17, 2019 1:05 pm

Can someone explain how to do number 11? I'm not sure if I'm just making calculation errors or if I am doing the problem fundamentally wrong but I can't seem to get the right answer.

Lynsea_Southwick_2K
Posts: 55
Joined: Fri Sep 28, 2018 12:25 am

Re: problem 5I.11

Postby Lynsea_Southwick_2K » Thu Jan 17, 2019 1:35 pm

Please post the question!

Athena L 1B
Posts: 59
Joined: Fri Sep 28, 2018 12:18 am

Re: problem 5I.11

Postby Athena L 1B » Fri Jan 18, 2019 10:42 am

A reaction vessel of volume 0.500 L at 700. K contains 1.20 mmol SO2(g), 0.50 mmol O2(g), and 0.10 mmol SO3(g). At 700. K, Kc = 1.7 x 10^6 for the equilibrium 2SO2(g) + O2(g) <=> 2SO3(g). a) Calculate the reaction quotient b) will more SO3(g) tend to form?

chaggard
Posts: 37
Joined: Fri Sep 28, 2018 12:19 am

Re: problem 5I.11

Postby chaggard » Fri Jan 18, 2019 2:38 pm

Part (a) is asking to calculate Q. Convert mmol to mol and divide by volume. These are your concentrations. plug it into the formula [P]/[R] making sure to use correct stoichiometric coefficients. This is Q. Part (b) compare the Q to the given K. if Q<K, reaction shifts right. Q>K, reaction shifts left. Hope this helps. I did this on the toilet


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