Final answer:
A Mollier chart, also known as an enthalpy-entropy chart, is a graphical representation of thermodynamic properties. It is used to analyze thermodynamic systems. The chart can indicate the throttling and isotropic expansion process.
Step-by-step explanation:
A Mollier chart, also known as an enthalpy-entropy chart, is a graphical representation of thermodynamic properties of substances. It is typically used in the field of engineering to analyze and design thermodynamic systems. The chart shows the relationship between enthalpy (H), entropy (S), pressure (P), and temperature (T).
In the Mollier chart, the throttling process and isotropic expansion process can be indicated by specific paths. The throttling process typically involves a rapid decrease in pressure while the entropy remains constant. This can be represented by a horizontal line on the chart. The isotropic expansion process involves an increase in volume without any heat transfer, resulting in a decrease in temperature. This can be represented by a vertical line on the chart.