# 57. In an experiment, a sample of NaClO3 was 90% decomposed in 48 min. Approximately how long would this decomposition have taken if the sample had been heated 20 °C higher? (Hint: Assume the rate doubles for each 10 °C rise in temperature.)

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57.

In an experiment, a sample of NaClO3 was 90% decomposed in 48 min. Approximately how long would this decomposition have taken if the sample had been heated 20 °C higher? (Hint: Assume the rate doubles for each 10 °C rise in temperature.)

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Step 1

Given:

Temperature is increased by 20 °C

Time to decompose = 48 min

Step 2

Assuming that the reaction is first order, the equation for first order reaction kinetics is: Step 3

Condition-1: Condition-2: When the temperature is increased by 20 oC, k increases by 4 times. ...

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