Thermodynamics for Chemical

In jet refrigerators, the refrigerating fluid is practically always_________________?

Byadmin March 11, 2019August 29, 2021

In jet refrigerators, the refrigerating fluid is practically always_________________?

A. Water
B. Ammonia
C. Freon
D. Brine

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

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

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)

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

The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point is__________________?

The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point is__________________?

A. ∞
B. 1
C. 0
D. -ve

Read More The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point is__________________?
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

With increase in pressure (above atmospheric pressure), the Cp of a gas_____________________?

With increase in pressure (above atmospheric pressure), the Cp of a gas_____________________?

A. Increases
B. Decreases
C. Remains unchanged
D. First decreases and then increases

Read More With increase in pressure (above atmospheric pressure), the Cp of a gas_____________________?
Thermodynamics for Chemical

(∂E/∂T)V is the mathematical expression for____________________?

(∂E/∂T)V is the mathematical expression for____________________?

A. CV
B. Enthalpy change
C. Free energy change
D. None of these

Read More (∂E/∂T)V is the mathematical expression for____________________?