1 BTU/ft³ is approximately equal to __________ kcal/m³.

Stoichiometry
1 BTU/ft³ is approximately equal to __________ kcal/m³.

252

9

4

1

252

9

4

1

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Stoichiometry
Pick out the wrong statement about the recycle stream in a process.

Recycling is exemplified by refluxing back a part of the distillate to the distillation column to maintain the quantity of liquid within the column

Recycling in a process does not help in getting higher extent of reaction

Recycling in a process stream helps in utilising the valuable reactants to the maximum with minimum loss of reactants

The ratio of the quantity of a reactant present in the reactor feed of a recycling operation to the quantity of the same reactant entering the process as fresh feed is called combined feed ratio

Recycling is exemplified by refluxing back a part of the distillate to the distillation column to maintain the quantity of liquid within the column

Recycling in a process does not help in getting higher extent of reaction

Recycling in a process stream helps in utilising the valuable reactants to the maximum with minimum loss of reactants

The ratio of the quantity of a reactant present in the reactor feed of a recycling operation to the quantity of the same reactant entering the process as fresh feed is called combined feed ratio

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Stoichiometry
Which of the following is not a unit of length?

Parsec

Barn

Angstrom

Fermi

Parsec

Barn

Angstrom

Fermi

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Stoichiometry
One micron is equal to

10⁻⁴ mm

Both B & C

10⁻⁶ m

10⁻⁴ cm

10⁻⁴ mm

Both B & C

10⁻⁶ m

10⁻⁴ cm

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Stoichiometry
The net heat evolved or absorbed in a chemical process, i.e. total change in the enthalpy of the system is independent of the

Temperature & pressure

Number of intermediate chemical reactions involved

State of aggregation & the state of combination at the beginning & the end of the reaction

None of these

Temperature & pressure

Number of intermediate chemical reactions involved

State of aggregation & the state of combination at the beginning & the end of the reaction

None of these

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Stoichiometry
What is the total pressure exerted by a mixture of 0.45 kg mole of benzene, 0.44 kg mole of toluene and 0.23 kg mole of o-xylene at 100°C, if their vapor pressures at 100°C are 1340, 560 and 210 mmHg respectively?

801.5

780.5

880.5

756.2

801.5

780.5

880.5

756.2

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Stoichiometry

Stoichiometry 1 BTU/ft³ is approximately equal to __________ kcal/m³.

Stoichiometry Pick out the wrong statement about the recycle stream in a process.

Stoichiometry Which of the following is not a unit of length?

Stoichiometry One micron is equal to

Stoichiometry The net heat evolved or absorbed in a chemical process, i.e. total change in the enthalpy of the system is independent of the

Stoichiometry What is the total pressure exerted by a mixture of 0.45 kg mole of benzene, 0.44 kg mole of toluene and 0.23 kg mole of o-xylene at 100°C, if their vapor pressures at 100°C are 1340, 560 and 210 mmHg respectively?

Stoichiometry
1 BTU/ft³ is approximately equal to __________ kcal/m³.

Stoichiometry
Pick out the wrong statement about the recycle stream in a process.

Stoichiometry
Which of the following is not a unit of length?

Stoichiometry
One micron is equal to

Stoichiometry
The net heat evolved or absorbed in a chemical process, i.e. total change in the enthalpy of the system is independent of the

Stoichiometry
What is the total pressure exerted by a mixture of 0.45 kg mole of benzene, 0.44 kg mole of toluene and 0.23 kg mole of o-xylene at 100°C, if their vapor pressures at 100°C are 1340, 560 and 210 mmHg respectively?