A certain rock contains 9.61 g of 40k and 1.4 g of its stable daughter isotope, 40 Ar. Assuming that no argon was in the rock when it solidified and that no argon or potassium escaped since its solidification, calculate the age of the rock. The half-life of 40K is 1.3 × 10 years. 1.9 x 108 years 2.9 x 108 years 9 x 10 years 10 x 10 years
A certain rock contains 9.61 g of 40k and 1.4 g of its stable daughter isotope, 40 Ar. Assuming that no argon was in the rock when it solidified and that no argon or potassium escaped since its solidification, calculate the age of the rock. The half-life of 40K is 1.3 × 10 years. 1.9 x 108 years 2.9 x 108 years 9 x 10 years 10 x 10 years
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...
Related questions
Question
(please type answer no write by hend)

Transcribed Image Text:A certain rock contains 9.61 g of 40k and 1.4 g of its stable daughter isotope, 40 Ar. Assuming that no argon was in the
rock when it solidified and that no argon or potassium escaped since its solidification, calculate the age of the rock.
The half-life of 40K is 1.3 × 10 years.
3
4
1.9 x 108 years
2.9 x 108 years
9 x 10 years
10x10¹0 years

Transcribed Image Text:40 Ar. Assuming that no argon was in
A certain rock contains 2.57 x 10¹7 atoms of 40k for every 7.71 1016 atoms of "
the rock when it solidified and that no argon escaped since its solidification, calculate the age of the rock. The half-life
of 40K is 1.3 x 10 years.
2.57 years
4.9 x 108 years
1.77 years
2.49 x 10 ⁹ years
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 4 steps with 2 images

Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Recommended textbooks for you

Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning

Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education

Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning

Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning

Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education

Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning

Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education

Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning

Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY