When Carbon and Oxygen Combine in a Combustion Reaction, 394

question 47

Essay

When carbon and oxygen combine in a combustion reaction, 394 kJ of energy is released for each mole of carbon dioxide that is produced. Compare this amount with the energy released in our Sun when 1 mole of helium-4 is produced from 4 protons.
helium-4 mass
(2 protons, 2 neutrons, 2 electrons)
4.002602 g/mol
proton mass
1.007279 g/mol
neutron mass
1.008665 g/mol
electron mass
5.485799  10^-4 g/mol
speed of light
2.997924  10⁸ m/s

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