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For a first order reaction, t(1//2) = un...

For a first order reaction, `t_(1//2) = underset(k)ul(...........)`.

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The correct Answer is:
`0.693`
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CENGAGE CHEMISTRY-CHEMICAL KINETICS-Exercises Fill In The Blanks
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  3. For a first order reaction, t(1//2) = underset(k)ul(...........).

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  4. For a first order reaction, A rarr B, the rate = k xx…………. .

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  5. The unit of first order rate constant is ………….. .

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  7. ……………………… reaction obeys the expresison t(1//2) = 1//ka in chemical ki...

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  8. The half-life periof of a first order reaction is…………..of initial conc...

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  9. A first order reaction has t(1//2) = 6.93 min. The rate constant is………...

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  11. The rate of a second order reaction is 6 xx 10^(-5) mol L^(-1) s^(-1),...

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  12. The temperature coefficient of a reaction is determined by comparing v...

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  13. The value of temperatuer coefficient is usually………………. .

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  14. The reactions having low activation energy are……………reactions.

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  15. Activation energy = threshold energy -…………….. .

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  16. Increases in temeprature increases the number of ……………..colliisons.

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  17. In a multi-step reaction, the rate is determined by conisdering the………...

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  18. Molecularity is always a whole…………… while the order of reaction may be...

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  19. All radioactive decompoistion reactions are…………..order reactions.

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