Question

[
begin{array}{l}
operatorname{Rate}=k[A]^{prime}
R=frac{M o l H^{-1} S^{-1}}{M O I} I^{-1}=S^{-1}
end{array}
]
( A rightarrow B[text { First order reaction }) )
[
t_{1 / 2}=frac{2-303}{k} log frac{2 x}{x}
]
( =frac{0.693}{2}=0.3465 mathrm{sec} )
( 1^{text {st }} ) half life
[
begin{aligned}
t_{1},=& 0.3465=frac{2-303}{2} log frac{6}{x_{1}}
frac{0.693}{2.303} &=log frac{6}{x}
0-3 &=log frac{6}{x}
text { antilog } 0-3 &=frac{6}{x}
2 &=frac{6}{x}
x &=3
end{aligned}
]
2"d holf life ( +_{1 / 2}=0.3465=frac{2.303}{2} log frac{3}{x_{2}} )
(f) 2 haf ( quad frac{0.693}{2 cdot 303}=log frac{3}{x} )
ives ( 6 M rightarrow 1.5 pi quad 0-3=log 3 / x=2 Rightarrow 2 quad=frac{3}{x_{2}, x_{2}=1} )

# A - > R Al initial cons. Of A LA 6'M Calculate corci at 2 Chalf time passed

Solution