When two moles of hydrogen and one mole of oxygen react to
Chapter 7, Problem 66GP(choose chapter or problem)
When two moles of hydrogen and one mole of oxygen react to form two moles of water, the energy released is \(484 \mathrm{~kJ}\). How much does the mass of the elements decrease in this reaction? What % of the total original mass of the system does this mass change represent?
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