For the irreversible reaction, Ca+ 2C = Ca C₂ , Δ H°298 = - 60000 J . mole⁻¹ . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be

Chemical Engineering Basics
For the irreversible reaction, Ca+ 2C = Ca C₂ , Δ H°298 = - 60000 J . mole⁻¹ . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be

240000 J

30000 J

60000 J

90000 J

240000 J

30000 J

60000 J

90000 J

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Chemical Engineering Basics
__________ of air does not increase with increase in temperature.

Thermal conductivity

Density

Thermal diffusivity

Viscosity

Thermal conductivity

Density

Thermal diffusivity

Viscosity

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Chemical Engineering Basics
Which one is neutral in character ?

N₂O₄

N₂O₃

N₂O₅

N₂O

N₂O₄

N₂O₃

N₂O₅

N₂O

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Chemical Engineering Basics
Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating.

Pearlite

Cementite

Austenite

Martensite

Pearlite

Cementite

Austenite

Martensite

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Chemical Engineering Basics
Chlorine acts as a bleaching agent only in the presence of

Moisture

Pure oxygen

Sunlight

Dry air

Moisture

Pure oxygen

Sunlight

Dry air

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Chemical Engineering Basics
The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.

100

None of these

50

100

None of these

50

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Chemical Engineering Basics

Chemical Engineering Basics For the irreversible reaction, Ca+ 2C = Ca C₂ , Δ H°298 = - 60000 J . mole⁻¹ . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be

Chemical Engineering Basics __________ of air does not increase with increase in temperature.

Chemical Engineering Basics Which one is neutral in character ?

Chemical Engineering Basics Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating.

Chemical Engineering Basics Chlorine acts as a bleaching agent only in the presence of

Chemical Engineering Basics The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.

Chemical Engineering Basics
For the irreversible reaction, Ca+ 2C = Ca C₂ , Δ H°298 = - 60000 J . mole⁻¹ . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be

Chemical Engineering Basics
__________ of air does not increase with increase in temperature.

Chemical Engineering Basics
Which one is neutral in character ?

Chemical Engineering Basics
Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating.

Chemical Engineering Basics
Chlorine acts as a bleaching agent only in the presence of

Chemical Engineering Basics
The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.