A substance undergoes first-order decomposition. After 40.0 min at 500C, only 12.5% of the original sample remains.

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A substance undergoes first-order decomposition. After 40.0 min at 500°C, only 12.5% of the original sample remains. What is the half-life of the decomposition? If the original sample weighed 243 g, how much would remain after 2.00 h?

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Chemistry For Engineering Students

ISBN: 9780357026991

4th Edition

Authors: Lawrence S. Brown, Tom Holme

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Question Posted: Nov 28, 2023 01:45 AM

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A substance undergoes first-order decomposition. After 40.0 min at 500C, only 12.5% of the original sample remains.

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We can use the following equation to calculate the halflife of a firstorder reaction t12 0693k where ...View the full answer

Chemistry For Engineering Students

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