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2C.1 A sample of the sugar D-ribose (C;H1,O5) of mass 0.727 g was placed in a constant-volume bomb calorimeter and then ignited in the
2C.1 A sample of the sugar D-ribose (C;H1,O5) of mass 0.727 g was placed in a constant-volume bomb 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 -3251kJ mol-, gave a temperature rise of 1.940 K. Calculate the enthalpy of formation of D-ribose.
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Chemistry The Central Science
Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward
12th edition
321696727, 978-0132175081, 978-0321696724
