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Only do question 4-6 show all work
CHM 107, Quiz 1 Name How much energy must be removed from a 125 g sample of benzene (CH6 vapor at 425.0 K to make it a solid at 200.0 K? Use the following steps to get to your answer. You MUST show your work to receive any credit. The following physical data for benzene may be useful. See announcement for due date. AHvap 33.9 kJ/mol Cliq 1.73 J/g C Cgas 1.06 Csol 1.5 J/g°C ng 279.0K Tboiling 353.0K Tme 1) Determine number of moles the sample contains. moles 2) How much energy must be removed to cool the gas to its boiling point? 3) How much energy must be removed to convert the gas to a liquid? 4) How much energy must be removed to bring the liquid from its boiling point to its melting point?
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