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Consider the Following Reaction

Question 21

Multiple Choice

Consider the following reaction:
2HF(g) Consider the following reaction: 2HF(g)    H<sub>2</sub>(g)  + F<sub>2</sub>(g)  (K = 1.00 × 10<sup>-2</sup>)  Given 1.18 mol of HF(g) , 0.880 mol of H<sub>2</sub>(g) , and 1.03 mol of F<sub>2</sub>(g)  are mixed in a 3.00-L flask, determine the reaction quotient, Q, and the net direction to achieve equilibrium. A)  Q = 0.651; the equilibrium shifts to the right. B)  Q =0.768; the equilibrium shifts to the left. C)  Q = 0.768; the equilibrium shifts to the right. D)  Q = 0.651; the equilibrium shifts to the left. E)  Q = 1.17; the system is at equilibrium.
H2(g) + F2(g) (K = 1.00 × 10-2)
Given 1.18 mol of HF(g) , 0.880 mol of H2(g) , and 1.03 mol of F2(g) are mixed in a 3.00-L flask, determine the reaction quotient, Q, and the net direction to achieve equilibrium.


A) Q = 0.651; the equilibrium shifts to the right.
B) Q =0.768; the equilibrium shifts to the left.
C) Q = 0.768; the equilibrium shifts to the right.
D) Q = 0.651; the equilibrium shifts to the left.
E) Q = 1.17; the system is at equilibrium.

Correct Answer:

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