Thermodynamics Processes and Equilibrium Quiz

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10 Questions

Match the following variables with their descriptions:

P (Pa) = Absolute pressure of the gas T (K) = Absolute temperature of the gas v (m3/kg) = Specific volume of the gas R (J/kg.K) = The gas constant

Match the following statements with the correct interpretation:

Z = 1 for ideal gases = Compressibility factor is unity for ideal gases Z can be greater or less than unity for real gases = Compressibility factor varies for real gases Z is determined from compressibility factor chart at Pr and Tr = Z values are obtained from a chart at reduced pressure and temperature f(gas, Pr, Tr) = Function to calculate Z based on gas type, reduced pressure, and temperature

Match the following expressions with their meanings:

Z = Vreal / Videal = Definition of compressibility factor Z Z = f(gas, Pr, Tr) = Expression to calculate Z based on gas type, reduced pressure, and temperature Z = 1 - 2a/v + b/v^2 = Van der Waals equation for compressibility factor Z Z = Pv/RT = Ideal gas law rearranged for compressibility factor Z

Match the following terms with their explanations:

Vreal = Volume when considering the volume of gas particles Videal = Volume when neglecting the volume of gas particles Pr = Reduced pressure used in determining Z Tr = Reduced temperature used in determining Z

Match the following concepts with their implications:

Z values from chart at Pr and Tr = Importance of reduced variables in obtaining Z for real gases Z = 1 for ideal gases = Characteristic of compressibility factor for ideal gases Z variations in real gases = Effect of gas behavior on compressibility factor Van der Waals equation for Z = Correction to ideal gas law for real gas behavior

What is the significance of quality (x) in saturated mixtures?

It defines the ratio of vapor mass to total mass

In a system with only saturated liquid, what is the quality value?

0

What does a quality of 1 signify in a saturated vapor system?

The system consists entirely of vapor

What property needs to be defined to properly analyze a mixture of saturated liquid and saturated vapor?

Quality (x)

During a vaporization process, what phase does a substance exist as?

Mixture of saturated liquid and saturated vapor

Test your knowledge on thermodynamic processes and equilibrium states in systems. Learn about describing processes, initial and final states, and paths of processes.

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