Thermodynamics for Chemical

Refrigeration capacity of a household refrigerator may be round about _____________ tons?

Byadmin March 12, 2019August 30, 2021

Refrigeration capacity of a household refrigerator may be round about _____________ tons?

A. 0.15
B. 1.5
C. 4.5
D. 6.5

Thermodynamics for Chemical

Cv is given by__________________?

Cv is given by__________________?

A. (∂E/∂T)V
B. (∂E/∂V)T
C. (∂E/∂P)V
D. (∂V/∂T)P

Read More Cv is given by__________________?
Thermodynamics for Chemical

A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then (where, Δ S1 and Δ SR are the entropy changes of the system for the irreversible and reversible processes respectively) ?

A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then (where, Δ S1 and Δ SR are the entropy changes of the system for the irreversible and reversible processes respectively) ?

A. Δ S1 is always Δ SR
C. Δ S1 is always > Δ SR
D. Δ S1 is always = Δ SR

Read More A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then (where, Δ S1 and Δ SR are the entropy changes of the system for the irreversible and reversible processes respectively) ?
Thermodynamics for Chemical

For water at 300°C, it has a vapour pressure 8592.7 kPa and fugacity 6738.9 kPa Under these conditions, one mole of water in liquid phase has a volume of 25.28 cm3 and that in vapour phase in 391.1 cm3.Fugacity of water (in kPa) at 9000 kPa will be__________________?

For water at 300°C, it has a vapour pressure 8592.7 kPa and fugacity 6738.9 kPa Under these conditions, one mole of water in liquid phase has a volume of 25.28 cm3 and that in vapour phase in 391.1 cm3.Fugacity of water (in kPa) at 9000 kPa will be__________________?

A. 6738.9
B. 6753.5
C. 7058.3
D. 9000

Read More For water at 300°C, it has a vapour pressure 8592.7 kPa and fugacity 6738.9 kPa Under these conditions, one mole of water in liquid phase has a volume of 25.28 cm3 and that in vapour phase in 391.1 cm3.Fugacity of water (in kPa) at 9000 kPa will be__________________?
Thermodynamics for Chemical

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

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

Read More The expression, ΔG = nRT. ln(P2/P1), gives the free energy change______________?
Thermodynamics for Chemical

Fundamental principle of refrigeration is based on the ______________ law of thermodynamics?

Fundamental principle of refrigeration is based on the ______________ law of thermodynamics?

A. Zeroth
B. First
C. Second
D. Third

Read More Fundamental principle of refrigeration is based on the ______________ law of thermodynamics?
Thermodynamics for Chemical

For the reversible exothermic reaction, N2 + 3H2 ⇌ 2NH3, increase of pressure would________________?

For the reversible exothermic reaction, N2 + 3H2 ⇌ 2NH3, increase of pressure would________________?

A. Shift the equilibrium towards right
B. Give higher yield of NH3
C. Both B. and C
D. Neither A. nor B

Read More For the reversible exothermic reaction, N2 + 3H2 ⇌ 2NH3, increase of pressure would________________?