
Concept explainers
(a)
The reaction product must be an
(a)

Answer to Problem 69P
The reaction product must be an
Explanation of Solution
The given equation of carbon cycle CNO-I that takes place inside stars is
Here,
Conservation of nucleon number: The number of nucleon number in reactant is equal to the number of nucleon number in the product of the reaction. Therefore,
Conservation of charge: The number of protons in reactant is equal to the number of protons in the product of the reaction. Therefore,
In periodic table, the element with atomic number
(b)
The amount of energy released by the last step in the carbon cycle CNO-I.
(b)

Answer to Problem 69P
The amount of energy released by the last step in the carbon cycle CNO-I is
Explanation of Solution
The
Write the formula for energy
Here,
The mass difference between the product and the reactant of the overall equation is
Substitute
Thus, the amount of energy released by the last step in the carbon cycle CNO-I is
(c)
The distance between the centers of proton and nitrogen nucleus when they just touching.
(c)

Answer to Problem 69P
The distance between the centers of proton and nitrogen nucleus when they just touching is
Explanation of Solution
Write the equation for radius
Here,
The radius of proton is
The radius of
Therefore, the distance between the centers of proton and nitrogen nucleus when they just touching is
(d)
The minimum value of the total kinetic energy of the proton and nitrogen nucleus necessary to bring them into contact.
(d)

Answer to Problem 69P
The minimum value of the total kinetic energy of the proton and nitrogen nucleus necessary to bring them into contact is
Explanation of Solution
Write the formula for electric potential energy
Here,
The distance between the centers of proton and nitrogen nucleus when they just touching is
Substitute
Therefore, the minimum value of the total kinetic energy of the proton and nitrogen nucleus necessary to bring them into contact is
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Chapter 29 Solutions
Physics
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