The vapor pressures of benzene and toluene are 3 and 4/3 atmospheres respectively. A liquid feed of 0.4 moles of benzene and 0.6 moles of toluene is vapourised. Assuming that the products are in equilibrium, the vapor phase mole fraction of benzene is

Stoichiometry
The vapor pressures of benzene and toluene are 3 and 4/3 atmospheres respectively. A liquid feed of 0.4 moles of benzene and 0.6 moles of toluene is vapourised. Assuming that the products are in equilibrium, the vapor phase mole fraction of benzene is

0.8

0.2

0.4

0.6

0.8

0.2

0.4

0.6

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Stoichiometry
Assume that benzene is insoluble in water. The normal boiling points of benzene and water are 80.1 and 100°C respectively. At a pressure of 1 atm, the boiling point of a mixture of benzene and water is

Greater than 80.1°C but less than 100°C

Less than 80.1°C

80.1°C

100°C

Greater than 80.1°C but less than 100°C

Less than 80.1°C

80.1°C

100°C

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Stoichiometry
The heat change for the reaction, C(s) + 2S(s) → CS₂(l), is 104.2 kJ. It represents the heat of

Formation

Combustion

Solution

Fusion

Formation

Combustion

Solution

Fusion

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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

40732

2676

2263

540

40732

2676

2263

540

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Stoichiometry
A car tyre of volume 0.057 m³ is inflated to 300 kPa at 300 K. After the car is driven for 10 hours, the pressure in the tyre increases to 330 kPa. Assume air is an ideal gas and Cv for air is 21 J/mole.K. The change in the internal energy of air in the tyre in J/mole is

380

630

880

760

380

630

880

760

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Stoichiometry
In a binary liquid solution of components A and B, if component A exhibits positive deviation from Raoult's law, then component B

Exhibits positive deviation from Raoult's law

May exhibit either positive or negative deviation from Raoult's law

Exhibits negative deviation from Raoult's law

Obeys Raoult's law

Exhibits positive deviation from Raoult's law

May exhibit either positive or negative deviation from Raoult's law

Exhibits negative deviation from Raoult's law

Obeys Raoult's law

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Stoichiometry

Stoichiometry The vapor pressures of benzene and toluene are 3 and 4/3 atmospheres respectively. A liquid feed of 0.4 moles of benzene and 0.6 moles of toluene is vapourised. Assuming that the products are in equilibrium, the vapor phase mole fraction of benzene is

Stoichiometry Assume that benzene is insoluble in water. The normal boiling points of benzene and water are 80.1 and 100°C respectively. At a pressure of 1 atm, the boiling point of a mixture of benzene and water is

Stoichiometry The heat change for the reaction, C(s) + 2S(s) → CS₂(l), is 104.2 kJ. It represents the heat of

Stoichiometry A car tyre of volume 0.057 m³ is inflated to 300 kPa at 300 K. After the car is driven for 10 hours, the pressure in the tyre increases to 330 kPa. Assume air is an ideal gas and Cv for air is 21 J/mole.K. The change in the internal energy of air in the tyre in J/mole is

Stoichiometry In a binary liquid solution of components A and B, if component A exhibits positive deviation from Raoult's law, then component B

Stoichiometry
The vapor pressures of benzene and toluene are 3 and 4/3 atmospheres respectively. A liquid feed of 0.4 moles of benzene and 0.6 moles of toluene is vapourised. Assuming that the products are in equilibrium, the vapor phase mole fraction of benzene is

Stoichiometry
Assume that benzene is insoluble in water. The normal boiling points of benzene and water are 80.1 and 100°C respectively. At a pressure of 1 atm, the boiling point of a mixture of benzene and water is

Stoichiometry
The heat change for the reaction, C(s) + 2S(s) → CS₂(l), is 104.2 kJ. It represents the heat of

Stoichiometry
A car tyre of volume 0.057 m³ is inflated to 300 kPa at 300 K. After the car is driven for 10 hours, the pressure in the tyre increases to 330 kPa. Assume air is an ideal gas and Cv for air is 21 J/mole.K. The change in the internal energy of air in the tyre in J/mole is

Stoichiometry
In a binary liquid solution of components A and B, if component A exhibits positive deviation from Raoult's law, then component B