Thermodynamics for Chemical

Any substance above its critical temperature exists as _____________________?

Byadmin March 12, 2019August 30, 2021

Any substance above its critical temperature exists as _____________________?

A. Saturated vapour
B. Solid
C. Gas
D. Liquid

Thermodynamics for Chemical

Work done is a____________________?

Work done is a____________________?

A. Property of the system
B. Path function
C. Point function
D. State description of a system

Read More Work done is a____________________?
Thermodynamics for Chemical

Fugacity and pressure are numerically not equal for the gases__________________?

Fugacity and pressure are numerically not equal for the gases__________________?

A. At low temperature and high pressure
B. At standard state
C. Both A. and B
D. In ideal state

Read More Fugacity and pressure are numerically not equal for the gases__________________?
Thermodynamics for Chemical

The compressibility factor of a gas is given by (where, V1 = actual volume of the gas V2 = gas volume predicted by ideal gas law)____________________?

The compressibility factor of a gas is given by (where, V1 = actual volume of the gas V2 = gas volume predicted by ideal gas law)____________________?

A. V1/V2
B. V2/V1
C. V1 – V2
D. V1.V2

Read More The compressibility factor of a gas is given by (where, V1 = actual volume of the gas V2 = gas volume predicted by ideal gas law)____________________?
Thermodynamics for Chemical

The free energy change for a chemical reaction is given by (where, K = equilibrium constant)________________?

The free energy change for a chemical reaction is given by (where, K = equilibrium constant)________________?

A. RT ln K
B. -RT ln K
C. -R ln K
D. T ln K

Read More The free energy change for a chemical reaction is given by (where, K = equilibrium constant)________________?
Thermodynamics for Chemical

Refrigerants commonly used for domestic refrigerators are_________________?

Refrigerants commonly used for domestic refrigerators are_________________?

A. Ethyl chloride or methyl chloride
B. Freon-12
C. Propane
D. NH3 or CO2

Read More Refrigerants commonly used for domestic refrigerators are_________________?
Thermodynamics for Chemical

One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is_________________?

One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is_________________?

A. 30554
B. 10373
C. 4988.4
D. 4364.9

Read More One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is_________________?