1. In a chemical transformation, substance A transforms into another substance at a rate proportional to the amount of A unchanged(present). If initially there was 40 g of A and 1 hour later there was 12 g of A present(left), when will 90 per cent of A be transformed?
1. In a chemical transformation, substance A transforms into another substance at a rate proportional to the amount of A unchanged(present). If initially there was 40 g of A and 1 hour later there was 12 g of A present(left), when will 90 per cent of A be transformed?
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter7: Chemical Energy
Section: Chapter Questions
Problem 28E: Consider the accompanying diagram. Ball A is allowed to fall and strike ball B. Assume that all of...
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Transcribed Image Text:1. In a chemical transformation, substance A transforms into another substance at a rate
proportional to the amount of A unchanged(present). If initially there was 40 g of A and
1 hour later there was 12 g of A present(left), when will 90 per cent of A be
transformed?
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