Derive an Expression for a "1/3-Life" for a First-Order Reaction $\frac { \ln \frac { [ \mathrm { A } ] _ { t } } { [ \mathrm {~A} ] _ { 0 } } } { - k }$

question 65

Multiple Choice

Derive an expression for a "1/3-life" for a first-order reaction.

• A) \(\frac { \ln \frac { [ \mathrm { A } ] _ { t } } { [ \mathrm {~A} ] _ { 0 } } } { - k }\)
• B) \(\frac { 0.462 } { k }\)
• C) \(\frac { \ln \frac { [ \mathrm { A } ] _ { t } } { [ \mathrm {~A} ] _ { 0 } } } { - 3 k }\)
• D) \(\frac { 1.099 } { k }\)
• E) \(\frac { 3 } { k }\)

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