begin mathsize 48px style capital delta H space equals C p capital delta T space space left parenthesis capital delta T space equals space T subscript 2 space end subscript minus T subscript 1 right parenthesis end style

ΔH= Enthalpy Change ; Cp = Heat Capacity at constant Pressure;  T, T2 = Initial & Final Temperature ;





This tool relates the enthalpy change of a system at constant pressure with initial and final temperatures and the heat capacity at constant pressure of the system. It is to be noted that the heat capacity at constant pressure must remain constant during the change of temperature.  Change of enthalpy is also related to the internal energy change and the change of volume at constant pressure. Visit for an alternate enthalpy calculator.

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