It takes four hydrogen nuclei to create one helium

1.)It takes four hydrogen nuclei to create one helium nucleus in the proton-proton chain, which is the main energy source of the Sun. If a single hydrogen nucleus has a mass of 1.6726 × 10-27 kg and a single helium nucleus has a mass of 6.6447 × 10-27 kg, how much mass is converted into energy to create three helium nuclei? __________kgA.) How much energy is generated in creating three helium nuclei? ________J(hint The mass that is converted into energy is the difference in mass between the four hydrogen nuclei and the helium nucleus.)2.The Palo Verde nuclear power generator of Arizona has three reactors that have a combined generating capacity of 3.937 × 109 W. How many years would it take the Palo Verde nuclear power generator to produce the same amount of energy as the Sun does in one day? ________years.3.If a sunspot has a temperature of 3700 K and the photosphere of the Sun has a temperature of 5780 K, how many times brighter per unit area is the photosphere than the sunspot? _______times

 

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