Chemistry

Chemistry

Problem

The reaction 3A(g)⇌B(g)+2C(g)3\text{A}(g) \rightleftharpoons \text{B}(g)+2\text{C}(g) has Qc=7.5Q_c = 7.5 and Kc=5.0K_c = 5.0 under certain conditions. A chemist instead considers the reaction 2B(g)+4C(g)⇌6A(g),2\text{B}(g)+4\text{C}(g) \rightleftharpoons 6\text{A}(g), obtained by first reversing the original reaction and then multiplying all coefficients by 2. Calculate the value of the reaction quotient Qc′Q_c' for this new reaction and predict the direction in which the system will shift (toward products, toward reactants, or no net change) when compared to its corresponding equilibrium constant.

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