The half-life of a first-order reaction is $900 \text{ s}$. If the initial concentration of the reactant is $0.08 \text{ mol dm}^{-3}$, find the concentration that remains after $35 \text{ minutes}$?
- A$0.159 \text{ mol dm}^{-3}$
- B$0.0159 \text{ mol dm}^{-3}$
- C$0.05 \text{ mol dm}^{-3}$
- D$0.759 \text{ mol dm}^{-3}$
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Similar Questions
For the first order reaction $A \to \text{Product}$ $(t_{1/2} = 10 \ \text{min})$,the fraction of reactant degraded after an hour from the reaction has started is
Medium
View SolutionThe following results were obtained during kinetic studies of the reaction $2A + B \to$ products:
Experiment $[A]$ $(mol \ L^{-1})$ $[B]$ $(mol \ L^{-1})$ Initial rate $(mol \ L^{-1} \ min^{-1})$ $I$ $0.10$ $0.20$ $6.93 \times 10^{-3}$ $II$ $0.10$ $0.25$ $6.93 \times 10^{-3}$ $III$ $0.20$ $0.30$ $1.386 \times 10^{-2}$
The time (in minutes) required to consume half of $A$ is:
| Experiment | $[A]$ $(mol \ L^{-1})$ | $[B]$ $(mol \ L^{-1})$ | Initial rate $(mol \ L^{-1} \ min^{-1})$ |
|---|---|---|---|
| $I$ | $0.10$ | $0.20$ | $6.93 \times 10^{-3}$ |
| $II$ | $0.10$ | $0.25$ | $6.93 \times 10^{-3}$ |
| $III$ | $0.20$ | $0.30$ | $1.386 \times 10^{-2}$ |
The time (in minutes) required to consume half of $A$ is:
DifficultJEE MAIN 2019
View Solution$N_2O_{(g)} \to N_{2(g)} + \frac{1}{2}O_{2(g)}$
In a closed vessel,the reaction follows first-order kinetics. If starting with pure $N_2O_{(g)}$,the total pressure after time $t$ is $P_t$ and after a very long time is $P_{\infty}$,then which of the following expressions is correct?
In a closed vessel,the reaction follows first-order kinetics. If starting with pure $N_2O_{(g)}$,the total pressure after time $t$ is $P_t$ and after a very long time is $P_{\infty}$,then which of the following expressions is correct?
Medium
View SolutionThe half-life values for two different first-order reactions $A$ and $B$ are $75 \ min$ and $2.5 \ h$ respectively. What is the ratio of their rate constants $\frac{k_A}{k_B}$?
For the reaction $R \rightarrow P$,the half-life is independent of the initial concentration of the reactant,$R$. Which one of the following graphs is not correct for this reaction?
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