During a phase change process like sublimation, vaporisation, melting etc., the specific ____________ does not change?

Byadmin March 4, 2019August 24, 2021

During a phase change process like sublimation, vaporisation, melting etc., the specific ____________ does not change?

A. Enthalpy
B. Gibbs free energy
C. Internal energy
D. Entropy

Stoichiometry

The value of (Cp – Cv) for a real gas obeying Vander Wall’s equation is____________________?

The value of (Cp – Cv) for a real gas obeying Vander Wall’s equation is____________________?

A. R
B. > R
C. < R
D. 0.5 R

Read More The value of (Cp – Cv) for a real gas obeying Vander Wall’s equation is____________________?
Stoichiometry

Molar heat capacity of water in equilibrium with ice at constant pressure is_____________________?

Molar heat capacity of water in equilibrium with ice at constant pressure is_____________________?

A. 0
B. ∞
C. 1
D. None of these

Read More Molar heat capacity of water in equilibrium with ice at constant pressure is_____________________?
Stoichiometry

The activity co-efficient of a solution, which accounts for the departure of liquid phase from ideal solution behaviour________________?

The activity co-efficient of a solution, which accounts for the departure of liquid phase from ideal solution behaviour________________?

A. Measures the elevation in boiling point
B. Is not dependent on the temperature
C. Is a function of the liquid phase composition
D. Measures the depression in freezing point

Read More The activity co-efficient of a solution, which accounts for the departure of liquid phase from ideal solution behaviour________________?
Stoichiometry

In a chemical process, the recycle stream is purged for______________________?

In a chemical process, the recycle stream is purged for______________________?

A. Increasing the product yield
B. Enriching the product
C. Limiting the inerts
D. Heat conservation

Read More In a chemical process, the recycle stream is purged for______________________?
Stoichiometry

Diffusion is that property by virtue of which a perfume bottle when opened up in a room, makes the whole room fragrant with its smell. If a perfume ‘X’ diffuses twice as fast as another perfume ‘Y’; what is the molecular weight of ‘Y’, if the vapor density of gas ‘X’ is 2? Molecular weight of gas ‘X’ is to be assumed to be 2 ?

Diffusion is that property by virtue of which a perfume bottle when opened up in a room, makes the whole room fragrant with its smell. If a perfume ‘X’ diffuses twice as fast as another perfume ‘Y’; what is the molecular weight of ‘Y’, if the vapor density of gas ‘X’ is 2? Molecular weight of gas ‘X’ is to be assumed to be 2 ?

A. 2
B. 4
C. 8
D. 16

Read More Diffusion is that property by virtue of which a perfume bottle when opened up in a room, makes the whole room fragrant with its smell. If a perfume ‘X’ diffuses twice as fast as another perfume ‘Y’; what is the molecular weight of ‘Y’, if the vapor density of gas ‘X’ is 2? Molecular weight of gas ‘X’ is to be assumed to be 2 ?
Stoichiometry

A ‘limiting reactant’ is the one, which decides the ____________ in the chemical reaction?

A ‘limiting reactant’ is the one, which decides the ____________ in the chemical reaction?

A. Equilibrium constant
B. Conversion
C. Rate constant
D. None of these

Read More A ‘limiting reactant’ is the one, which decides the ____________ in the chemical reaction?

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