menu-iconExamlexExamLexServices

Discover

Ask a Question
  1. All Topics
  2. Topic
    Chemistry
  3. Study Set
    Chemistry The Molecular Nature
  4. Exam
    Exam 24: Nuclear Reactions and Their Applications
  5. Question
    Calcium-39 Undergoes Positron Decay
Solved

Calcium-39 Undergoes Positron Decay

Question 34

Question 34

Multiple Choice

Calcium-39 undergoes positron decay. Each positron carries 5.49 MeV of energy. How much energy will be emitted when 0.0025 mol of calcium-39 decays?


A) 13.2 kJ
B) 1.32 × 104 kJ
C) 1.32 × 106 kJ
D) 1.32 × 109 kJ
E) None of these choices are correct.

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q1: Gamma-rays and X-rays interact with matter, causing<br>A)formation

Q22: Palladium-107 undergoes β decay (t<sub>1/2</sub> = 6.5

Q27: What is the specific activity (in Ci/g)

Q30: An isotope with a high value of

Q31: A 55-kg person exposed to thorium-234 receives

Q32: The isotopes <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7800/.jpg" alt="The isotopes

Q35: Identify the missing species in the following

Q37: The radioisotope <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7800/.jpg" alt="The radioisotope

Q38: Select the nuclide that completes the following

Q50: In living organisms, C-14 atoms disintegrate at

Examlex

ExamLex

About UsContact UsPerks CenterHomeschoolingTest Prep

Work With Us

Campus RepresentativeInfluencers

Links

FaqPricingChrome Extension

Download The App

Get App StoreGet Google Play

Policies

Privacy PolicyTerms of ServiceHonor CodeCommunity Guidelines

Scan To Download

qr-code

Copyright © (2025) ExamLex LLC.

Privacy PolicyTerms Of ServiceHonor CodeCommunity Guidelines