   Chapter 10, Problem 60P ### University Physics Volume 3

17th Edition
William Moebs + 1 other
ISBN: 9781938168185

#### Solutions ### University Physics Volume 3

17th Edition
William Moebs + 1 other
ISBN: 9781938168185
Textbook Problem

# Calculate the energy output in each of the fusion reactions in the proton-proton chain, and verify the values determined in the preceding problem.

To determine

(i)

The energy output, the fusion reaction 1 and verify that energy values are matching with summary.

Explanation

Given:

The fusion reaction 1 is given by,

1H+1H2H+e++ve

Formula used:

The energy released during the fusionreaction 1 is given by,

E1=Δm1c2

Here, Δm1 is the mass defect, and c is velocity of light.

The mass defect Δm1 is given by,

Δm1=2(m1H)m2H2(me+)

Here, m1H is the mass of the nucleus of 1H, m2H is the mass of the nucleus of 2H, and me+ is the mass of positron.

Calculation:

The mass defect Δm1 is calculated by,

Δm1=2(m 1 H)m2H2(m e + )=2(1

To determine

(ii)

The energy output the fusion reaction 2 and verify that the energy values are matching with summary.

To determine

(iii)

The energy output, the fusion reaction 3 and verify that energy values are matching with summary.

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