For the reaction $2A + B \rightarrow \text{Product}$,the half-life period remains unchanged when the concentration of $B$ is doubled. However,when the concentration of $A$ is doubled,the rate of the reaction doubles. Determine the unit of the rate constant for this reaction.
- A$s^{-1}$
- BUnitless
- C$mol \ L^{-1} \ s^{-1}$
- D$L \ mol^{-1} \ s^{-1}$
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At a certain temperature,the half-life periods for the catalytic decomposition of $NH_3$ were found to be as follows:
Pressure $(mm \ Hg)$ $50, 100, 200$ Half-life period $(hrs)$ $3.52, 1.76, 0.88$
What will be the pressure when the half-life period is $2.5 \ hrs$?
| Pressure $(mm \ Hg)$ | $50, 100, 200$ |
| Half-life period $(hrs)$ | $3.52, 1.76, 0.88$ |
What will be the pressure when the half-life period is $2.5 \ hrs$?
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