reaction between nh2cn(s) and o2(g) to form n2(g) co2(g) h20(l) liberated -742.5kj/mol heat at constant volume at 300K. find heat liberated
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According to the law of conservation of mass the total mass of the product formed in chemical reaction must be equal to the mass of reactants consumed the number of atoms of each elements before and after the action with the same atoms are created or destroyed in a chemical reaction so we should balancing chemical equations
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