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Show that the rate of first order reacti...

Show that the rate of first order reaction is doubled when concentration of the reactant is doubled.

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`Ato` Product
Reaction rate r=K[A]
When concentration of A is doubled, reaction rate `[r^1]`=K[2A]
`(r^1)/(r)=(K[2A])/(K[A])=2`
`r^1=2r`
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