Chapter 43, Problem 50P

To determine

To:

(a) express the Q in the proton-proton cycle in kilograms per hydrogen atoms consumed.

(b) calculate the rate at which the Sun’s is losing its hydrogen in the proton-proton cycle.

(c) calculate the rate at which the Sun’s is losing its mass.

(d) explain the difference in (b) and (c).

(e) calculate how long will the Sun take to lose 0.10 % of its mass, if it loses mass at a constant rate as calculated in (c).