Stoichiometry

Solutions having the same osmotic pressure are called _____________ solutions?

Byadmin March 4, 2019August 24, 2021

Solutions having the same osmotic pressure are called _____________ solutions?

A. Dilute
B. Ideal
C. Isotonic
D. Saturated

Stoichiometry

Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules ____________________?

Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules ____________________?

A. Do not lose energy on collision
B. Are above the inversion temperature
C. Do not exert attractive force on each other
D. Do work equal to loss in kinetic energy

Read More Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules ____________________?
Stoichiometry

The heat of adsorption of a gas caused by Van der Waals forces of attraction and capillarity is equal to the heat of__________________?

The heat of adsorption of a gas caused by Van der Waals forces of attraction and capillarity is equal to the heat of__________________?

A. Normal condensation
B. Wetting
C. Sum of A. and B.
D. Difference of A. and B.

Read More The heat of adsorption of a gas caused by Van der Waals forces of attraction and capillarity is equal to the heat of__________________?
Stoichiometry

At a temperature of 0°K, the molecules of a gas have only _______________ energy?

At a temperature of 0°K, the molecules of a gas have only _______________ energy?

A. Rotational
B. Vibrational
C. Translational
D. None of these

Read More At a temperature of 0°K, the molecules of a gas have only _______________ energy?
Stoichiometry

Concentration of a solution expressed in terms of _______________ is independent of temperature?

Concentration of a solution expressed in terms of _______________ is independent of temperature?

A. Molarity
B. Normality
C. Molality
D. None of these

Read More Concentration of a solution expressed in terms of _______________ is independent of temperature?
Stoichiometry

At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant ?

At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant ?

A. 273°C
B. 273°K
C. 100°C
D. 200°C

Read More At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant ?
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. Mole fraction of water vapour in the product gases is about_____________________?

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. Mole fraction of water vapour in the product gases is about_____________________?

A. 0.19
B. 0.33
C. 0.40
D. 0.67

Read More 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. Mole fraction of water vapour in the product gases is about_____________________?