## first order reactions examples

$\frac{d[R]}{dt}=-k[R]; \ln [R]=-kt + \ln [R]_{0}; t_{\frac{1}{2}}=\frac{0.693}{k}$

Emily Kennedy 4L
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### first order reactions examples

What are some real life examples of 1st order reactions?

105114680
Posts: 60
Joined: Fri Sep 28, 2018 12:23 am

### Re: first order reactions examples

Radioactive decay is a first-order reaction since the decay rate is proportional to the initial amount of radioactive atoms present to the first power. They are proportional through a decay constant. Hope this was helpful!

Jessica Chen 1F
Posts: 61
Joined: Fri Sep 28, 2018 12:17 am

### Re: first order reactions examples

SO2Cl2(g) → SO2(g) + Cl2(g) is an example of a first order reaction

Anjali_Kumar1F
Posts: 62
Joined: Fri Sep 28, 2018 12:25 am

### Re: first order reactions examples

How do you know if it's a first order reaction?