A particular smoke detector contains 3.75 µCi of 241 Am, with a half-life of 458 years. The isotope is encased in a thin aluminum container. Calculate the mass in grams of 241 Am in grams in the detector. 1 Ci = 3.7 x 10¹0 dps (disintegration per second) Molar mass of 241 Am = 241 g/mol 1.16 x 10-6 gram 8.73 x 108 2.12 x 10¹5 gram 1.34 x 10-5 8.49 x 107 gram gram gram

A particular smoke detector contains 3.75 µCi of 241 Am, with a half-life of 458 years. The isotope is encased in a thin aluminum container. Calculate the mass in grams of 241 Am in grams in the detector. 1 Ci = 3.7 x 10¹0 dps (disintegration per second) Molar mass of 241 Am = 241 g/mol 1.16 x 10-6 gram 8.73 x 108 2.12 x 10¹5 gram 1.34 x 10-5 8.49 x 107 gram gram gram

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.

Question

Don

A particular smoke detector contains 3.75 µCi of 241 Am, with a half-life of 458 years. The isotope
is encased in a thin aluminum container. Calculate the mass in grams of 241 Am in grams in the
detector.
1 Ci = 3.7 x 10¹0 dps (disintegration per second)
Molar mass of 241 Am = 241 g/mol
1.16 x 10-6 gram
8.73 x 10-8 gram
2.12 x 1015
1.34 x 10-5 gram
8.49 x 10-7 gram
gram

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Step 2: Converting half-life into seconds

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