Chemistry, 14.12.2019 04:31 duhitsmiracle59
Asample of the sugar d-ribose (c5h10o5) of mass 0.727 g was placed in a calorimeter and then ignited in the presence of excess oxygen. the temperature rose by 0.910 k. in a separate experiment in the same calorimeter, the combustion of 0.825 g of benzoic acid, for which the internal energy of combustion is −3251 kj mol−1, gave a temperature rise of 1.940 k. calculate the enthalpy of formation of d-ribose.
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Asample of the sugar d-ribose (c5h10o5) of mass 0.727 g was placed in a calorimeter and then ignited...
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