does mass changes in exothermic reaction?Since mass is changes to heat in them?
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A chemical reaction or physical change is endothermic if heat is ... 8.6: Limiting Reactant, Theoretical Yield, and Percent Yield from Initial Masses of Reactants ... Does it take more energy to break bonds than that needed to form bonds? ... Since the reaction of 1mol of methane released 890.4kJ, the reaction ...
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because in this process food is broken down into simple form and energy released in the form of heat.......xd
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