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1 January, 15:21

At 25 degrees Celsius 12M H2O2 is decomposed. After 30 minutes the concentration of the H2O2 is found to be 9.5M. What is the average reaction rate for this decomposition reaction? I did it and got 0.083, just wanted to check to make sure I did it right.

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  1. 1 January, 16:35
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    Yes you got the magnitude (value) right. Assuming a first-order reaction. The rate is equal to the change in concentration over change in time. Since the concentration is decreasing, we are expecting a negative value. A value of - 0.0833 mol / L-min (moles per liter per minute) is the rate.
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