Given the following data, determine the rate constant, k (do not use units), of the reaction: A(g) + 2 B(g) → C(g) + 2 D(g) Experiment      [A] (torr)         [B] (torr)          Rate (torr/s) 1                      500                  200                  2.68 2                      500                  100                  1.34 3                      250                  200                  0.67

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