Method When ΔCp
7 is independent of temperature in the range T1 to T2, the integral
in eqn 2.36a evaluates to (T2 − T1)ΔrCp
7. Therefore,
ΔrH7(T2) = ΔrH7(T1) + (T2 − T1)ΔrCp
7
To proceed, write the chemical equation, identify the stoichiometric coefficients,
and calculate ΔrCp
7 from the data.
Answer The reaction