Question

Determine the reaction quotient for a mixture of the two gases in which [NO2] = 0.0151 M and [N2O4] = 0.00995 M.

a) 0.025 M

b) 0.00151 M

c) 0.0152 M

d) 0.02405 M

Answer 1

The Chemistry question at the College level concerns calculating the reaction quotient (Q) for the reaction between NO2 and N2O4. The calculated value, given the concentrations, is 0.0436, which is not exactly matched by the provided answer choices, indicating a possible error or typo.

Step-by-step explanation:

The subject of this question is Chemistry, and it is likely at the College level because it involves chemical equilibria and the calculation of reaction quotients and equilibrium constants. The reaction in question is 2NO2 (g) = N2O4 (g). To determine the reaction quotient (Q) for a mixture of NO2 and N2O4, the following formula is used: Q = [N2O4] / [NO2]^2. Plugging in the values provided ([NO2] = 0.0151 M and [N2O4] = 0.00995 M), gives: Q = 0.00995 / (0.0151)^2 = 0.0436. However, none of the answer options exactly match this calculation, which might suggest a possible typo or error either in the question options provided or in the calculation done here. The closest answer to the calculated value is option (d) 0.02405 M.