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Thermodynamics for Chemical

The ratio of equilibrium constants (Kp2/Kp1) at two different temperatures is given by____________________?

Thermodynamics for Chemical /
The ratio of equilibrium constants (Kp2/Kp1) at two different temperatures is given by____________________?

A. (R/ΔH) (1/T1 – 1/T2)
B. (ΔH/R) (1/T1 – 1/T2)
C. (ΔH/R) (1/T2 – 1/T1)
D. (1/R) (1/T1 – 1/T2)

The ratio of equilibrium constants (Kp2/Kp1) at two different temperatures is given by____________________? Read More »

Thermodynamics for Chemical

At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by (where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.) ?

Thermodynamics for Chemical /
At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by (where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.) ?

A. μ° + RT ln f
B. μ°+ R ln f
C. μ° + T ln f
D. μ° + R/T ln f

At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by (where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.) ? Read More »

Thermodynamics for Chemical

The theoretical minimum work required to separate one mole of a liquid mixture at 1 atm, containing 50 mole % each of n- heptane and n- octane into pure compounds each at 1 atm is__________________?

Thermodynamics for Chemical /
The theoretical minimum work required to separate one mole of a liquid mixture at 1 atm, containing 50 mole % each of n- heptane and n- octane into pure compounds each at 1 atm is__________________?

A. -2 RT ln 0.5
B. -RT ln 0.5
C. 0.5 RT
D. 2 RT

The theoretical minimum work required to separate one mole of a liquid mixture at 1 atm, containing 50 mole % each of n- heptane and n- octane into pure compounds each at 1 atm is__________________? Read More »

Thermodynamics for Chemical

A large iceberg melts at the base, but not at the top, because of the reason that_________________?

Thermodynamics for Chemical /
A large iceberg melts at the base, but not at the top, because of the reason that_________________?

A. Ice at the base contains impurities which lowers its melting point
B. Due to the high pressure at the base, its melting point reduces
C. The iceberg remains in a warmer condition at the base
D. All A, B. and C

A large iceberg melts at the base, but not at the top, because of the reason that_________________? Read More »

Thermodynamics for Chemical