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Chapter 24: Q24.78P (page 1105)

How many MeV are released per nucleus when 3.2脳10- 3molof chromium-49releases8.11脳105kJ?

Short Answer

Expert verified

The energy released per nucleus is 2.63MeV/nucleus.

Step by step solution

01

Step 1:

- The number of moles of chromium-49 is3.2脳10- 3mol

- Total energy released is8.11脳105kJ

We have to find the energy released per nucleus inMeV

-1MeV = 1.602脳10- 13J

Total number of nucleus is

Number of nucleus =3.2脳10- 3尘辞濒脳6.022脳1023nucleus1mol=1.927脳1021nucleus

Now, let us convert total energy released, fromkJ to MeV

Total energy released =8.11脳105办闯脳1000J1kJ脳1MeV1.602脳10- 13J=5.06脳1021MeV

Therefore, the energy released per nucleus in MeVis

Energy per nucleus=5.06脳1021MeV1.927脳1021nucleus=2.63MeV/ nucleus

Hence The energy released per nucleus is 2.63MeV/nucleus.

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