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Andrei [34K]
3 years ago
12

The rate constant for the first-order decomposition of n2o is 3.40 s-1. what is the half-life of the decomposition?

Chemistry
2 answers:
Nadya [2.5K]3 years ago
4 0

<u>Answer:</u> The half life of the decomposition reaction is 0.204 s

<u>Explanation:</u>

The equation used to calculate half life for first order kinetics:

t_{1/2}=\frac{0.693}{k}

where,

k = rate constant of the reaction = 3.40s^{-1}

t_{1/2} = half life of the reaction = ?

Putting values in above equation, we get:

t_{1/2}=\frac{0.693}{3.40s^{-1}}\\\\t_{1/2}=0.204s

Hence, the half life of the decomposition reaction is 0.204 s

stiks02 [169]3 years ago
3 0

Hey There:

First order  half life equation :

T 1/2  = ln ( 2 ) /K

T 1/2 = 0.693 / 3.40

T 1/2 = 0.204 s

Answer B

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