Explanation Given The half-life of rock is 1.27 × 10 9 . The mass ratio of 40 Ar to 40 K is 4.2 . The value of rate constant is calculated by the formula, k = 0.693 t 1 / 2 . Where, t 1 / 2 is the half-life. k is the rate constant. Substitute the value of t 1 / 2 in the above equation, k = 0.693 1.27 × 10 9 year = 5.46 × 10 − 10 year − 1 Age of rock is calculated by using the formula, ln ( N t N 0 ) = − k t t = − ( 1 k ) ln N t N 0

Chemistry: The Central Science (14th Edition)

14th Edition

ISBN: 9780134414232

Author: Theodore E. Brown, H. Eugene LeMay, Bruce E. Bursten, Catherine Murphy, Patrick Woodward, Matthew E. Stoltzfus

Publisher: PEARSON

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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

Chapter 21, Problem 43E

Interpretation Introduction

To determine: The age of the rock.

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Chapter 21, Problem 42E

Chapter 21, Problem 44E

Chapter 21 Solutions

Chemistry: The Central Science (14th Edition)

Ch. 21.1 - Prob. 21.1.1PE Ch. 21.1 - Prob. 21.1.2PE Ch. 21.1 - Prob. 21.2.1PE Ch. 21.1 - Prob. 21.2.2PE Ch. 21.2 - Prob. 21.3.1PE Ch. 21.2 - Prob. 21.3.2PE Ch. 21.3 - Prob. 21.4.1PE Ch. 21.3 - Prob. 21.4.2PE Ch. 21.4 - Prob. 21.5.1PE Ch. 21.4 - Prob. 21.5.2PE

Ch. 21.4 - Prob. 21.6.1PE Ch. 21.4 - Prob. 21.6.2PE Ch. 21.4 - Prob. 21.7.1PE Ch. 21.4 - Prob. 21.7.2PE Ch. 21.6 - Prob. 21.8.1PE Ch. 21.6 - Prob. 21.8.2PE Ch. 21 - Prob. 1DE Ch. 21 - Prob. 1E Ch. 21 - Prob. 2E Ch. 21 - Prob. 3E Ch. 21 - Prob. 4E Ch. 21 - Prob. 5E Ch. 21 - Prob. 6E Ch. 21 - Prob. 7E Ch. 21 - Prob. 8E Ch. 21 - Prob. 9E Ch. 21 - Prob. 10E Ch. 21 - Prob. 11E Ch. 21 - Prob. 12E Ch. 21 - Prob. 13E Ch. 21 - Prob. 14E Ch. 21 - Prob. 15E Ch. 21 - Prob. 16E Ch. 21 - Prob. 17E Ch. 21 - Prob. 18E Ch. 21 - Prob. 19E Ch. 21 - Prob. 20E Ch. 21 - Prob. 21E Ch. 21 - Prob. 22E Ch. 21 - Prob. 23E Ch. 21 - Prob. 24E Ch. 21 - Prob. 25E Ch. 21 - Prob. 26E Ch. 21 - Prob. 27E Ch. 21 - Prob. 28E Ch. 21 - Prob. 29E Ch. 21 - Prob. 30E Ch. 21 - Prob. 31E Ch. 21 - Prob. 32E Ch. 21 - Prob. 33E Ch. 21 - Prob. 34E Ch. 21 - Prob. 35E Ch. 21 - Prob. 36E Ch. 21 - Prob. 37E Ch. 21 - Prob. 38E Ch. 21 - Prob. 39E Ch. 21 - Prob. 40E Ch. 21 - Prob. 41E Ch. 21 - Prob. 42E Ch. 21 - Prob. 43E Ch. 21 - Prob. 44E Ch. 21 - Prob. 45E Ch. 21 - Prob. 46E Ch. 21 - Prob. 47E Ch. 21 - Prob. 48E Ch. 21 - The atomic masses of hydrogen-2 (deuterium),...Ch. 21 - Prob. 50E Ch. 21 - Prob. 51E Ch. 21 - Prob. 52E Ch. 21 - Prob. 53E Ch. 21 - Prob. 54E Ch. 21 - Prob. 55E Ch. 21 - Prob. 56E Ch. 21 - Prob. 57E Ch. 21 - Prob. 58E Ch. 21 - Prob. 59E Ch. 21 - Prob. 60E Ch. 21 - Prob. 61E Ch. 21 - Prob. 62E Ch. 21 - Prob. 63E Ch. 21 - Prob. 64E Ch. 21 - Prob. 65E Ch. 21 - Prob. 66E Ch. 21 - Prob. 67E Ch. 21 - Prob. 68E Ch. 21 - Prob. 69E Ch. 21 - Prob. 70E Ch. 21 - Prob. 71AE Ch. 21 - Prob. 72AE Ch. 21 - Prob. 73AE Ch. 21 - Prob. 74AE Ch. 21 - Prob. 75AE Ch. 21 - Prob. 76AE Ch. 21 - Prob. 77AE Ch. 21 - Prob. 78AE Ch. 21 - Prob. 79AE Ch. 21 - Prob. 80AE Ch. 21 - Prob. 81AE Ch. 21 - Prob. 82AE Ch. 21 - Prob. 83AE Ch. 21 - Prob. 84AE Ch. 21 - Prob. 85AE Ch. 21 - Prob. 86AE Ch. 21 - Prob. 87IE Ch. 21 - Prob. 88IE Ch. 21 - Prob. 89IE Ch. 21 - Prob. 90IE Ch. 21 - Prob. 91IE Ch. 21 - Prob. 92IE

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