## First Oder

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

Hanniel U 2B
Posts: 76
Joined: Fri Sep 28, 2018 12:16 am

### First Oder

Can someone help me understand 7A.13, 7th edition? Why is the rate first order?

mcredi
Posts: 63
Joined: Fri Sep 28, 2018 12:16 am

### Re: First Oder

b/c it proceeds at a rate that depends linearly on only one reactant concentration, the rate of reaction is directly proportional to the concentration of the reacting substance