Concept explainers
(a)
Interpretation:
The reference state that is used to generate the listed specific internal energies is to be stated.
Concept introduction:
The reference states are considered as the stable and pure states of the chemical substances. The change in specific internal energy and change in specific enthalpy is represented by
(b)
Interpretation:
The values of
Concept introduction:
The change in specific internal energy and change in specific enthalpy is represented by
(c)
Interpretation:
The heat that must be transferred to the gas to achieve the desired temperature increase by assuming that
Concept introduction:
The change in specific internal energy and change in specific enthalpy is represented by
The equation for energy balance when there is only one output and one input stream is shown below.
(d)
Interpretation:
The two reasons for the requirement of more heat than the amount calculated in part (c) is to be stated.
Concept introduction:
The reference states are considered as the stable and pure states of the chemical substances. The change in specific internal energy and change in specific enthalpy is represented by
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