In General, to Calculate the Rate Constant for a First $\rarr$

question 31

Multiple Choice

In general, to calculate the rate constant for a first order decomposition reaction, A $\rarr$ products, given the time needed to decrease the initial concentration by one half, which equation should be used

• A) t_1/2 = 1/(k[A]_o)
• B) t_1/2 = ln2/k
• C) [A]_t = -kt + [A]_o
• D) 1/[A]_t = kt + 1/[A]_o
• E) Rate = k[A]

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