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  1. The left-hand side is the specific heat capacity at constant pressure of the material.

  2. The heat capacity at constant pressure of 1 J·K −1 ideal gas is: \[\mathrm{(\dfrac{∂H}{∂T})_V=c_p=c_v+R}\] where H=U+pV is the enthalpy of the gas. Measuring the heat capacity at constant volume can be prohibitively difficult for liquids and solids.

  3. May 2, 2024 · where delta T (\(\bf \Delta T\)) is the change of temperature of the gas during the process, and c is the specific heat capacity. We have added a subscript “p” to the specific heat capacity to remind us that this value only applies to a constant pressure process.

  4. Specific heat (C) is the amount of heat required to change the temperature of a mass unit of a substance by one degree. Isobaric specific heat (Cp ) is used for air in a constant pressure (ΔP = 0) system. I sochoric specific heat (Cv ) is used for air in a constant-volume (isovolumetric or isometric) closed system. Note!

  5. The specific heat capacity at constant pressure is higher than at constant volume because some energy is ‘used up’ in doing work. The specific heat capacity of a gas tells us how much heat is required to raise the temperature of a unit mass of the gas by one degree Celsius (or one Kelvin).

  6. The specific heat at constant pressure (for a unit mass or for one kmol) is a function of only. A relation that connects the specific heats , , and the gas constant is where the units depend on the mass considered.

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  8. Define heat capacity and specific heat capacity and differentiate between the two terms ; Deduce which substance will have greatest temperature changed based on specific heat capacities ; Calculate unknown variables based on known variables using the specific heat equation

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