A butane isomerisation process produces 70 kmole/hr of pure isobutane. A purge stream removed continuously, contains 85% n-butane and 15% impurity (mole%). The feed stream is n-butane containing 1% impurity (mole%). The flow rate of the purge stream will be

Stoichiometry
A butane isomerisation process produces 70 kmole/hr of pure isobutane. A purge stream removed continuously, contains 85% n-butane and 15% impurity (mole%). The feed stream is n-butane containing 1% impurity (mole%). The flow rate of the purge stream will be

5 kmole/hr

4 kmole/hr

3 kmole/hr

6 kmole/hr

5 kmole/hr

4 kmole/hr

3 kmole/hr

6 kmole/hr

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Stoichiometry
Pick out the wrong unit conversion of heat transfer co-efficient.

1 kcal/m².hr.°C = 0.2048 BTU/ft².hr. °F. = 1.163 W/m².°K

1 W/m² . °C = 0.1761 BTU/ft².hr.°F

1 BTU/ft².hr.°F = 4.88 kcal/m².hr.°C = 20.44 kJ/m².hr°C = 5.678 W/m².°C

1 kcal/m².hr.°K = 1.163 W/m².°C

1 kcal/m².hr.°C = 0.2048 BTU/ft².hr. °F. = 1.163 W/m².°K

1 W/m² . °C = 0.1761 BTU/ft².hr.°F

1 BTU/ft².hr.°F = 4.88 kcal/m².hr.°C = 20.44 kJ/m².hr°C = 5.678 W/m².°C

1 kcal/m².hr.°K = 1.163 W/m².°C

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Stoichiometry
Sodium __________ has inverted solubility curve i.e. its solubility increases with the lowering of temperature.

Chloride

Thiosulphate

Bisulphite

Carbonate (monohydrate)

Chloride

Thiosulphate

Bisulphite

Carbonate (monohydrate)

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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

80.1°C

Less than 80.1°C

Greater than 80.1°C but less than 100°C

100°C

80.1°C

Less than 80.1°C

Greater than 80.1°C but less than 100°C

100°C

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Stoichiometry
In physical adsorption, as compared to chemisorption, the

Activation energy is very high

Rate of adsorption is controlled by the resistance to surface reaction

Heat of adsorption is very large

Quantity adsorbed per unit mass is higher

Activation energy is very high

Rate of adsorption is controlled by the resistance to surface reaction

Heat of adsorption is very large

Quantity adsorbed per unit mass is higher

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Stoichiometry
The vapor pressure of the solvent decreased by 10 mm Hg, when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is 0.2. What should be the mole fraction of the solvent, if the decrease in vapor pressure of the solvent is required to be 20 mm Hg.?

0.2

0.1

0.6

0.4

0.2

0.1

0.6

0.4

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Stoichiometry

Stoichiometry A butane isomerisation process produces 70 kmole/hr of pure isobutane. A purge stream removed continuously, contains 85% n-butane and 15% impurity (mole%). The feed stream is n-butane containing 1% impurity (mole%). The flow rate of the purge stream will be

Stoichiometry Pick out the wrong unit conversion of heat transfer co-efficient.

Stoichiometry Sodium __________ has inverted solubility curve i.e. its solubility increases with the lowering of temperature.

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 In physical adsorption, as compared to chemisorption, the

Stoichiometry
A butane isomerisation process produces 70 kmole/hr of pure isobutane. A purge stream removed continuously, contains 85% n-butane and 15% impurity (mole%). The feed stream is n-butane containing 1% impurity (mole%). The flow rate of the purge stream will be

Stoichiometry
Pick out the wrong unit conversion of heat transfer co-efficient.

Stoichiometry
Sodium __________ has inverted solubility curve i.e. its solubility increases with the lowering of temperature.

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
In physical adsorption, as compared to chemisorption, the