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Heat of formation at 1000 K

Heat of formation at 1000 K

We can calculate the enthalpy changes at temperatures other than reference temperature by taking a reversible detour.

Integration of ({ C }_{ p }) over temperature gives the energy changes upon temperature change within a single phase. This energy change under constant pressure is called sensible heat. When there are phase transitions during the temperature range of interest, the latent heat should be considered also.

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Thermodynamics in Energy Engineering

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