Real Gases: Deviation from Ideal Behavior Quiz

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What factor plays a significant role in the behavior of real gases at high pressure or near the condensation point?

Atomic weight

Atomicity

Intermolecular forces (correct)

Molar mass

Which type of gas is termed non-ideal or real gases?

Noble gases

H2, N2, and CO2 (correct)

Alkali metals

Halogens

What must be taken into account to understand the behavior of real gases?

Variable specific heat capacity (correct)

Elementary reactions with constant composition

Molecular dissociation only

Characterization of ideal gas behavior

What theory assumes that as pressure increases, the volume of a gas becomes very small but not zero?

Ideal gas law theory Signup and view all the answers

Which of the following is NOT an origin of real gas behavior?

Molecules can be compressed to zero Signup and view all the answers

What characteristic differentiates real gases from ideal gases in terms of behavior?

Compressibility effects Signup and view all the answers

Which equation is generally superior in predicting the liquid densities of many non-polar materials?

Peng-Robinson equation Signup and view all the answers

What is the parameter that the model should provide reasonable accuracy for near the critical point?

Acentric factor Signup and view all the answers

What mixing rule should not employ more than a single binary interaction parameter according to the text?

Peng-Robinson equation Signup and view all the answers

What is the formula for the acentric factor 𝜔 mentioned in the text?

$1 + 0.37464 + 1.54226𝜔 − 0.26992𝜔^2 1 − 𝑇𝑟^{0.5}$ Signup and view all the answers

What should the parameters be expressible in terms of, as per the text?

Compressibility factor and liquid density Signup and view all the answers

Which equation is applicable to all calculations of all fluid properties in natural gas processes?

Peng-Robinson equation Signup and view all the answers

What is the critical temperature of a gas?

The temperature at which the gas cannot be liquefied no matter how great the pressure applied Signup and view all the answers

What phenomenon is observed when gas molecules coalesce to form a liquid?

Liquefaction Signup and view all the answers

Which of the following equations is used to describe the behavior of real gases?

van der Waals Equation Signup and view all the answers

What is the significance of the critical temperature in the liquefaction of gases?

It indicates the temperature below which liquefaction is possible Signup and view all the answers

Which factor characterizes the non-ideality of real gases?

Acentric factor Signup and view all the answers

Which equation considers both volume and attractive forces between gas molecules?

Van der Waals equation Signup and view all the answers

Real Gases: Deviation from Ideal Behavior Quiz

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Questions and Answers

What factor plays a significant role in the behavior of real gases at high pressure or near the condensation point?

Which type of gas is termed non-ideal or real gases?

What must be taken into account to understand the behavior of real gases?

What theory assumes that as pressure increases, the volume of a gas becomes very small but not zero?

Which of the following is NOT an origin of real gas behavior?

What characteristic differentiates real gases from ideal gases in terms of behavior?

Which equation is generally superior in predicting the liquid densities of many non-polar materials?

What is the parameter that the model should provide reasonable accuracy for near the critical point?

What mixing rule should not employ more than a single binary interaction parameter according to the text?

What is the formula for the acentric factor 𝜔 mentioned in the text?

What should the parameters be expressible in terms of, as per the text?

Which equation is applicable to all calculations of all fluid properties in natural gas processes?

What is the critical temperature of a gas?

What phenomenon is observed when gas molecules coalesce to form a liquid?

Which of the following equations is used to describe the behavior of real gases?

What is the significance of the critical temperature in the liquefaction of gases?

Which factor characterizes the non-ideality of real gases?

Which equation considers both volume and attractive forces between gas molecules?

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