A rigid vessel containing three moles of nitrogen gas at 30°C is heated to 250°C. Assume the average capacities of nitrogen to be Cp = 29.1 J/mole.°C and, Cv = 20.8 J/mole.°C. The heat required, neglecting the heat capacity of the vessel, is

Stoichiometry
A rigid vessel containing three moles of nitrogen gas at 30°C is heated to 250°C. Assume the average capacities of nitrogen to be Cp = 29.1 J/mole.°C and, Cv = 20.8 J/mole.°C. The heat required, neglecting the heat capacity of the vessel, is

19206 J

4576 J

12712 J

13728 J

19206 J

4576 J

12712 J

13728 J

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Stoichiometry
pH value of a solution containing 1 gm of hydrogen ion per litre will be

7

1

10

7

1

10

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Stoichiometry
Which of the following gravity scales is used exclusively for liquids heavier than water?

Baumme scale

Twaddel scale

API scale

None of these

Baumme scale

Twaddel scale

API scale

None of these

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Stoichiometry
1 gm mole of methane (CH₄) contains

3.01 x 1023 molecules of methane

4 gm atoms of hydrogen

3 gms of carbon

6.02 x 1023 atoms of hydrogen

3.01 x 1023 molecules of methane

4 gm atoms of hydrogen

3 gms of carbon

6.02 x 1023 atoms of hydrogen

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

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

1 W/m² . °C = 0.1761 BTU/ft².hr.°F

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

1 W/m² . °C = 0.1761 BTU/ft².hr.°F

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Stoichiometry
The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. The temperature at which the above mixture will exert a pressure of one standard atm. is

110.6°C

Less than 100°C

Between 100 and 110°C

100°C

110.6°C

Less than 100°C

Between 100 and 110°C

100°C

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Stoichiometry

Stoichiometry A rigid vessel containing three moles of nitrogen gas at 30°C is heated to 250°C. Assume the average capacities of nitrogen to be Cp = 29.1 J/mole.°C and, Cv = 20.8 J/mole.°C. The heat required, neglecting the heat capacity of the vessel, is

Stoichiometry pH value of a solution containing 1 gm of hydrogen ion per litre will be

Stoichiometry Which of the following gravity scales is used exclusively for liquids heavier than water?

Stoichiometry 1 gm mole of methane (CH₄) contains

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

Stoichiometry
A rigid vessel containing three moles of nitrogen gas at 30°C is heated to 250°C. Assume the average capacities of nitrogen to be Cp = 29.1 J/mole.°C and, Cv = 20.8 J/mole.°C. The heat required, neglecting the heat capacity of the vessel, is

Stoichiometry
pH value of a solution containing 1 gm of hydrogen ion per litre will be

Stoichiometry
Which of the following gravity scales is used exclusively for liquids heavier than water?

Stoichiometry
1 gm mole of methane (CH₄) contains

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