Part B The actual measured mass of a potassium-39 atom is 38.963707 amu . What is the mass defect, Am, for a potassium-39 nucleus? Express your answer in atomic mass units using six significant figures. • View Available Hint(s) ? Am = 0.347837 amu Submit Previous Answers
Part B The actual measured mass of a potassium-39 atom is 38.963707 amu . What is the mass defect, Am, for a potassium-39 nucleus? Express your answer in atomic mass units using six significant figures. • View Available Hint(s) ? Am = 0.347837 amu Submit Previous Answers
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
Chapter2: Atoms Molecules And Ions
Section: Chapter Questions
Problem 18PS: Which of the following are isotopes of element X, the atomic number for which is 9: 919X, 920X,...
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PLEASE HELP!!!!! just need part B and part D!!! WILL UPVOTE!!
Transcribed Image Text:Part D
What is the binding energy, AE, for a potassium-39 nucleus in MeV/nucleon? Recall that
1 MeV = 1.60 ×x 10-13 J.
Express your answer numerically in millions of electron volts per nucleon.
• View Available Hint(s)
Πν ΑΣφ
?
AE = 5.36
MeV/nucleon
%3D
Submit
Previous Answers
X Incorrect; Try Again; 5 attempts remaining
Transcribed Image Text:The proton mass is 1.007276 amu , the neutron mass is 1.008665 amu , and the electron mass is
5.486x10-4 amu .
Part A
What is the expected mass of a potassium-39 nucleus, based on the total mass of its protons and
neutrons?
Express your answer in atomic mass units using seven significant figures.
• View Available Hint(s)
39.31154 amu
Submit
Previous Answers
Correct
I Review i Constants i Periodic Tabie
Part B
The actual measured mass of a potassium-39 atom is 38.963707 amu . What is the mass defect,
Am, for a potassium-39 nucleus?
Express your answer in atomic mass units using six significant figures.
• View Available Hint(s)
?
Am = 0.347837
amu
Submit
Previous Answers
X Incorrect; Try Again; One attempt remaining
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