Define an expression for the rate consta...

Define an expression for the rate constant of a 1st order reaction. Define half life period. A first order reaction takes 69.3 minutes for 50% completion. How much time will be needed for 80% completion?

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What is half time period ? A first order reaction takes 69.3 minutes for 50 % completion. How much time will be needed for 80% completion.

State the rate equation for a first order reaction. Derive the half-life period from the rate equation. A first order reaction takes 69.3 minutes for 50% completion. How much time will be needed for 80% completion?

Derive the expression for first order rate constant. A first order reaction takes 69.3 min for 50% completion. How long will it take for 80% completion?

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