Suppose that the initial mass of a radioactive substance is m and the half-life of the substance is h. Let m(t) be the mass remaining at time t. (a) What is meant by the half-life h? (b) Write a formula for m(t) in terms of the half-life h. (c) Write a formula for the relative decay rater in terms of the half-life h. (d) Write a formula for m(t) in terms of the relative decay rate r.
Suppose that the initial mass of a radioactive substance is m and the half-life of the substance is h. Let m(t) be the mass remaining at time t. (a) What is meant by the half-life h? (b) Write a formula for m(t) in terms of the half-life h. (c) Write a formula for the relative decay rater in terms of the half-life h. (d) Write a formula for m(t) in terms of the relative decay rate r.
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter25: Nuclear Chemistry
Section25.4: Rates Of Nuclear Decay
Problem 25.5CYU
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Transcribed Image Text:Suppose that the initial mass of a radioactive substance is m
and the half-life of the substance is h. Let m(t) be the mass
remaining at time t.
(a) What is meant by the half-life h?
(b) Write a formula for m(t) in terms of the half-life h.
(c) Write a formula for the relative decay rater in terms of
the half-life h.
(d) Write a formula for m(t) in terms of the relative decay
rate r.
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