One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CH₄ + 2O₂ → CO₂ + 2H₂O. Both the reactants and products are in gas phase. ΔH°298 = - 730 kJ/mole of methane. If the average specific heat of all the gases/vapour is 40 J/mole.K, the maximum temperature rise of the exhaust gases in °C would be approximately equal to

Stoichiometry
One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CH₄ + 2O₂ → CO₂ + 2H₂O. Both the reactants and products are in gas phase. ΔH°298 = - 730 kJ/mole of methane. If the average specific heat of all the gases/vapour is 40 J/mole.K, the maximum temperature rise of the exhaust gases in °C would be approximately equal to

1335

1525

1225

1735

1335

1525

1225

1735

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Stoichiometry
Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of

Mixing

Wetting

Adsorption

Complete wetting

Mixing

Wetting

Adsorption

Complete wetting

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Stoichiometry
Addition of a non-volatile solute to a pure solvent

Decreases its freezing point

Both B and C

Increases its freezing point

Increases its boiling point

Decreases its freezing point

Both B and C

Increases its freezing point

Increases its boiling point

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Stoichiometry
An oxidation process is accompanied by decrease in the

Number of ions

Number of electrons

All of these

Oxidation number

Number of ions

Number of electrons

All of these

Oxidation number

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Stoichiometry
The osmotic pressure of a solution increases, if its __________ is decreased.

Temperature

Volume

Solute concentration

None of these

Temperature

Volume

Solute concentration

None of these

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Stoichiometry
Heat of transition is the heat evolved or absorbed, when a substance is converted from

One allotropic form to another allotropic form

Vapor to liquid

Solid to liquid

Vapor to solid

One allotropic form to another allotropic form

Vapor to liquid

Solid to liquid

Vapor to solid

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Stoichiometry

Stoichiometry Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of

Stoichiometry Addition of a non-volatile solute to a pure solvent

Stoichiometry An oxidation process is accompanied by decrease in the

Stoichiometry The osmotic pressure of a solution increases, if its __________ is decreased.

Stoichiometry Heat of transition is the heat evolved or absorbed, when a substance is converted from

Stoichiometry
Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of

Stoichiometry
Addition of a non-volatile solute to a pure solvent

Stoichiometry
An oxidation process is accompanied by decrease in the

Stoichiometry
The osmotic pressure of a solution increases, if its __________ is decreased.

Stoichiometry
Heat of transition is the heat evolved or absorbed, when a substance is converted from