Enthalpy changes depend on the temperature and pressure under which a process occurs. However, the enthalpy change will be different at different pressures. Therefore, chemists often deal with standard enthalpy of reaction AHºf The temperature and pressure conditions for standard enthalpy are 2.5 °C and 10 kPa 25 °C and 100 kPa 25 K and 100 Pa 0 °C and 100 kPa O
Enthalpy changes depend on the temperature and pressure under which a process occurs. However, the enthalpy change will be different at different pressures. Therefore, chemists often deal with standard enthalpy of reaction AHºf The temperature and pressure conditions for standard enthalpy are 2.5 °C and 10 kPa 25 °C and 100 kPa 25 K and 100 Pa 0 °C and 100 kPa O
Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter3: The Second And Third Laws Of Thermodynamics
Section: Chapter Questions
Problem 3.8E: Explain why the high-temperature reservoir of a heat engine must, indeed, be higher in temperature...
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