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Chapter 24: Q24.72 P (page 1105)

How does a change in mass arise when a nuclide forms from nucleons?

Short Answer

Expert verified

The conversion of mass into binding energy to hold the nucleus causes a mass defect.

Step by step solution

01

To find how does change in mass arise

Mass defect is the decrease in mass when a nucleus forms from its nucleons. The decrease in mass is cause by the mass being converted into binding energy that holds nucleus together.

Hence Mass defect is caused by mass being converted into binding energy to hold the nucleus

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Most popular questions from this chapter

The oxidation of methanol to formaldehyde can be accomplished by reaction with chromic acid:

6H+(aq)+3CH3OH(aq)+2H2CrO4(aq)鈫�3CH2O(aq)+2Cr3+(aq)+8H2O(l)

The reaction can be studied with the stable isotope tracer18Oand mass spectrometry. When a small amount of CH318OH is present in the alcohol reactant,CH218O forms. When a small amount of H2Cr18O4is present, H218Oforms. Does chromic acid or methanol supply the O atom to the aldehyde? Explain.

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Question:What is the reaction order of radioactive decay? Explain.

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A 135-lb person absorbs 3.3脳10-7Jof energy from radioactive emissions.

(a) How many rads does she receive?

(b) How many grays (Gy) does she receive?
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