For an ideal solution, the total vapor pressure varies _____________ with the composition (expressed as mole fraction)?

Byadmin March 4, 2019August 24, 2021

For an ideal solution, the total vapor pressure varies _____________ with the composition (expressed as mole fraction)?

A. Inversely
B. Exponentially
C. Linearly
D. Negligibly

Stoichiometry

Which of the following gases is the most soluble in water ?

Which of the following gases is the most soluble in water ?

A. NH3
B. CO2
C. H2S
D. CH4

Read More Which of the following gases is the most soluble in water ?
Stoichiometry

One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m3. It cools to 98°C; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m3. The latent heat of condensation (kJ/kg-1 ) under these conditions is___________________?

One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m3. It cools to 98°C; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m3. The latent heat of condensation (kJ/kg-1 ) under these conditions is___________________?

A. 40732
B. 2676
C. 2263
D. 540

Read More One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m3. It cools to 98°C; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m3. The latent heat of condensation (kJ/kg-1 ) under these conditions is___________________?
Stoichiometry

Water content in ground refractory material to be shaped into bricks by hand moulding is about _____________ percent?

Water content in ground refractory material to be shaped into bricks by hand moulding is about _____________ percent?

A. 5
B. 20
C. 40
D. 55

Read More Water content in ground refractory material to be shaped into bricks by hand moulding is about _____________ percent?
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

The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation_________________?

The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation_________________?

A. Increases with pressure rise
B. Decreases with increasing pressure
C. Becomes zero at the critical point
D. Both B. & C.

Read More The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation_________________?
Stoichiometry

In case of a solution (not of a solid in a liquid), whose total volume is more than the sum of volumes of its components in their pure states, solubility is__________________?

In case of a solution (not of a solid in a liquid), whose total volume is more than the sum of volumes of its components in their pure states, solubility is__________________?

A. Independent of the temperature
B. Increased with the increase in pressure
C. Decreased with the increase in pressure
D. Unchanged by the pressure change

Read More In case of a solution (not of a solid in a liquid), whose total volume is more than the sum of volumes of its components in their pure states, solubility is__________________?

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