28. Solution to Chemistry Problem

28. Solution to Chemistry Problem

1. The dependence of the molar enthalpy of tin dioxide on temperature in the temperature range from 298 to 1500 K is expressed by the equation
Hm-H298=73.89T 5.021*10-3T2 21.59*105/T J/mol.
Obtain an expression for the dependence of the true molar heat capacity at p=const on temperature. Calculate Cp at 500 C (773 K) and compare the result with the value Cp = 71.077 J/(molK).

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