How much energy, in Joules, is
How much energy, in Joules, is contained in the mass of a Heliumnucleus? You may need to look up the mass of a Helium nucleus.Include references for any numbers you quote. What fraction of massis released as energy when Hydrogen fuses to Helium in the sun?
Answer:
Del M is the difference in mass. Negative Del M means mass ofreactant is more and thus energy corresponding to that mass will bereleased.