If the Sun Converts 5 * 10¹¹ Kg of H

question 86

Multiple Choice

If the Sun converts 5 * 10¹¹ kg of H to He per second and the mass of a single hydrogen nucleus is 1.7 *10^-27 kg, how many net proton-proton reactions go on per second in the Sun? What is the luminosity produced if the mass difference between a single helium nucleus and four hydrogen nuclei is 4 *10^-29 kg? Note that 1 Watt * 1 m² kg/s³.

• A) 7 *10³⁷ reactions per sec; 3 * 10²⁶ Watt
• B) 3*10³⁸ reactions per sec; 10²⁷ Watt
• C) 3 * 10³⁸ reactions per sec; 4 * 10²⁶ Watt
• D) 7 *10³⁷ reactions per sec; 5 * 10²⁵ Watt
• E) 3 * 10³⁷ reactions per sec; 6* 10²⁴ Watt

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