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College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000

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BuyFindarrow_forward

College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000
Textbook Problem

Another set of reactions that result in the fusing of hydrogen into helium in the Sun and especially in hotter stars is called the carbon cycle. It is

12 C + 1 H 13 N+ γ ,

13 N 13 C + e + + v e ,

13 C + 1 H 14 N + γ ,

14 N + 1 H 15 O + γ ,

15 O 15 N + e + + v e ,

15 N + 1 H 12 C + 4 He .

Write down the overall effect at the carbon cycle (as was done for the proton−proton cycle in 2 e + 4 1 H + 4 He + 2 v e + 6 γ . Note the number of protons (lH) required and assume that the positrons (e+) annihilate electrons to form more (rays.

To determine

The overall effect of the carbon cycle

  C12+H1N13+γN13C13+e++υeC13+H1N14+γN14+H1O15+γO15N15+e++υeN15+H1C12+H4e

Note the number of protons ( H1 ) required and assume that the positrons ( e+ ) annihilate electrons to form more γ rays?

Explanation

Adding all the equations we will get,

  4H1H4e+3γ+2e++2υe

Positrons annihilate electrons to form γ rays then the overall equation will become,

  2e+4H1

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