The expression, ΔG = nRT. ln(P2/P1), gives the free energy change______________?

Byadmin March 12, 2019August 30, 2021

The expression, ΔG = nRT. ln(P2/P1), gives the free energy change______________?

A. With pressure changes at constant temperature
B. Under reversible isothermal volume change
C. During heating of an ideal gas
D. During cooling of an ideal gas

Thermodynamics for Chemical

Gibbs free energy (G) is represented by, G = H – TS, whereas Helmholtz free energy, A. is given by, A = E – TS. Which of the following is the Gibbs-Helmholtz equation ?

Gibbs free energy (G) is represented by, G = H – TS, whereas Helmholtz free energy, A. is given by, A = E – TS. Which of the following is the Gibbs-Helmholtz equation ?

A. [∂(G/T)/∂T] = – (H/T2)
B. [∂(A/T)/∂T]V = – E/T2
C. Both A. and B.
D. Neither A. nor B.

Read More Gibbs free energy (G) is represented by, G = H – TS, whereas Helmholtz free energy, A. is given by, A = E – TS. Which of the following is the Gibbs-Helmholtz equation ?
Thermodynamics for Chemical

1m3 of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the final temperature will be ?

1m3 of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the final temperature will be ?

A. 35 K
B. 174 K
C. 274 K
D. 154 K

Read More 1m3 of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the final temperature will be ?
Thermodynamics for Chemical

____________ explains the equilibrium constant for any chemical reaction?

____________ explains the equilibrium constant for any chemical reaction?

A. Henry’s law
B. Law of mass action
C. Hess’s law
D. None of these

Read More ____________ explains the equilibrium constant for any chemical reaction?
Thermodynamics for Chemical

For an irreversible process involving only pressure-volume work____________________?

For an irreversible process involving only pressure-volume work____________________?

A. (dF)T, p <0
B. (dF)T, p = 0
C. (dF)T, p > 0
D. (dA)T, v >0

Read More For an irreversible process involving only pressure-volume work____________________?
Thermodynamics for Chemical

At absolute zero temperature, the _____________ of the gas is zero?

At absolute zero temperature, the _____________ of the gas is zero?

A. Pressure
B. Volume
C. Mass
D. None of these

Read More At absolute zero temperature, the _____________ of the gas is zero?
Thermodynamics for Chemical

If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will___________________?

If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will___________________?

A. Increase
B. Decrease
C. Remain unaltered
D. Increase or decrease; depends on the particular reaction

Read More If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will___________________?

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