The Reaction Quotient Video Lessons

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Problem: The value of Kc for the reaction: 2 NO2 (g) ⇌ N2O4(g) is 6.9 at 447 K. Determine the reaction quotient for a mixture of the two gases in which [NO2] = 0.0311 M and [N2O4] = 0.00931 M.

FREE Expert Solution
FREE Expert Solution

We are being asked to determine the reaction quotient for the reaction below given the concentrations of each species.

2 NO2(g)  N2O4(g)


The reaction quotient, Q, can be calculated like an equilibrium constant with the formula shown below:

Q=productsreactants


Let’s calculate the Reaction Quotient (Q) using the given concentrations:

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Problem Details

The value of Kc for the reaction: 

2 NO(g) ⇌ N2O4(g) 

is 6.9 at 447 K. Determine the reaction quotient for a mixture of the two gases in which [NO2] = 0.0311 M and [N2O4] = 0.00931 M.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the The Reaction Quotient concept. You can view video lessons to learn The Reaction Quotient. Or if you need more The Reaction Quotient practice, you can also practice The Reaction Quotient practice problems.

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Our tutors rated the difficulty ofThe value of Kc for the reaction: 2 NO2 (g) ⇌ N2O4(g) is 6.9...as low difficulty.

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Our expert Chemistry tutor, Dasha took 2 minutes and 44 seconds to solve this problem. You can follow their steps in the video explanation above.

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Based on our data, we think this problem is relevant for Professor Ki's class at Stockton University.