How Do You Write the Reaction Quotient Qc for This Reaction?

AI Thread Summary
The discussion centers on writing the reaction quotient Qc for the reaction between solid molybdenum (VI) oxide and gaseous xenon difluoride, producing liquid molybdenum(VI) fluoride, xenon gas, and oxygen gas. The user acknowledges that Qc is calculated using products over reactants, excluding pure solids and liquids. They initially proposed an incorrect formula for Qc, mistakenly including a reactant in the numerator. Key clarifications needed include the correct balanced reaction equation and the proper placement of reactants and products in the Qc expression. Understanding these elements is crucial for accurately determining the reaction quotient.
MG5
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Can't figure this one out. Here's the problem.

Solid molybdenum (VI) oxide reacts with gaseous xenon difluoride to form liquid molybdenum(VI) fluoride, xenon gas, and oxygen gas. Write the Qc for this reaction.

I know Qc is products over reactants and pure liquids and solids are not included.

So this is what I came up with. Its wrong though.

Qc= [XeF2]3 / [Xe]3 [O2]

Any help would be great. Thanks.
 
Physics news on Phys.org
1. What is the balanced reaction equation?

2. If it is products over reactants, why do you have XeF2 - a reactant - in the numerator?
 
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