KEAM 2019 Physics and Chemistry Paper
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Question : 114 of 120
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For a first order reaction, A(g) ® B(g) at 35°C, the volume of “A” left in reaction vessel at various times are given below. [Given data : log (5/4) = 0.096]
What is the value of rate constant?
| t / minutes | 0 | 10 | 20 | 30 | 40 |
| V/ml | 25 | 20 | 15.7 | 12.5 | 9.6 |
What is the value of rate constant?
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