What is the first-order rate constant for its decay?

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
Section: Chapter Questions
Problem 78SCQ
icon
Related questions
icon
Concept explainers
Question

Middle problem please

O b. First
O c. Second
d. Impossible to tell from the information given.
Clear my choice
Carbon-14 is a radioactive isotope that decays with a half-life of 5730 years. What is the first-order rate constant for its decay?
Select one:
O a. 1.21x104 years1
O b. 3.49x10-4 years1
Oc.5.25x10-5 years1
O d. 3.97x103 years1
Which of the following affects the activation energy of a reaction?
Select one:
a. Temperature of reactants
b. Concentration of reactants
c. Surface area of reactants
d. Presence of a catalyst
Clear my choice
Transcribed Image Text:O b. First O c. Second d. Impossible to tell from the information given. Clear my choice Carbon-14 is a radioactive isotope that decays with a half-life of 5730 years. What is the first-order rate constant for its decay? Select one: O a. 1.21x104 years1 O b. 3.49x10-4 years1 Oc.5.25x10-5 years1 O d. 3.97x103 years1 Which of the following affects the activation energy of a reaction? Select one: a. Temperature of reactants b. Concentration of reactants c. Surface area of reactants d. Presence of a catalyst Clear my choice
Expert Solution
Step 1

Relationship between t1/2 and k in first order reaction :- 

t1/2 = ln 2/k 

Or 

t1/2 = 0.693/k 

k is the rate constant for first order reaction 

t1/2 is the half life.

steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Knowledge Booster
Electronic Effects
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.
Similar questions
Recommended textbooks for you
Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781337399074
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
Chemistry
ISBN:
9781938168390
Author:
Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:
OpenStax
Chemistry for Today: General, Organic, and Bioche…
Chemistry for Today: General, Organic, and Bioche…
Chemistry
ISBN:
9781305960060
Author:
Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781133611097
Author:
Steven S. Zumdahl
Publisher:
Cengage Learning
Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
Chemistry
ISBN:
9781305079243
Author:
Steven S. Zumdahl, Susan A. Zumdahl
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning