Question: Consider the first-order decomposition of cyclobutane at 438 C at constant volume: C 4 H 8 (g) 2C 2 H 4 (g). a.

Consider the first-order decomposition of cyclobutane at 438 ° C at constant volume: C4H8(g) → 2C2H4(g).

a. Express the rate of the reaction in terms of the change in total pressure as a function of time.

b. The rate constant for the reaction is 2.48 × 10–4 s–1. What is the half-life?

c. After initiation of the reaction, how long will it take for the initial pressure of C4H8 to drop to 90.0% of its initial value?

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