Stoichiometry

The increase in the temperature of the aqueous solution will result in decrease of its________________?

Byadmin March 4, 2019August 24, 2021

The increase in the temperature of the aqueous solution will result in decrease of its________________?

A. Weight % of the solute
B. Mole fraction of the solute
C. Molarity
D. Molality

Stoichiometry

A fluid gas produced on burning furnace oil contains 0.15 gm mole of CO2, 0.05 gm mole of oxygen and 0.80 gm mole of N2. What is its molecular weight ?

A fluid gas produced on burning furnace oil contains 0.15 gm mole of CO2, 0.05 gm mole of oxygen and 0.80 gm mole of N2. What is its molecular weight ?

A. 28.6
B. 30.0
C. 30.6
D. 32.6

Read More A fluid gas produced on burning furnace oil contains 0.15 gm mole of CO2, 0.05 gm mole of oxygen and 0.80 gm mole of N2. What is its molecular weight ?
Stoichiometry

Pure aniline is evaporating through a stagnant air film of 1 mm thickness at 300 K and a total pressure of 100 KPa. The vapor pressure of aniline at 300 K is 0.1 KPa. The total molar concentration under these conditions is 40.1 mole/m3. The diffusivity of aniline in air is 0.74 × 10-5m2/s. The numerical value of mass transfer co-efficient is 7.4 × 10-3. Its units are_______________________?

Pure aniline is evaporating through a stagnant air film of 1 mm thickness at 300 K and a total pressure of 100 KPa. The vapor pressure of aniline at 300 K is 0.1 KPa. The total molar concentration under these conditions is 40.1 mole/m3. The diffusivity of aniline in air is 0.74 × 10-5m2/s. The numerical value of mass transfer co-efficient is 7.4 × 10-3. Its units are_______________________?

A. m/s
B. cm/s
C. mole/m2.s.Pa
D. k.mole/m2.s.Pa

Read More Pure aniline is evaporating through a stagnant air film of 1 mm thickness at 300 K and a total pressure of 100 KPa. The vapor pressure of aniline at 300 K is 0.1 KPa. The total molar concentration under these conditions is 40.1 mole/m3. The diffusivity of aniline in air is 0.74 × 10-5m2/s. The numerical value of mass transfer co-efficient is 7.4 × 10-3. Its units are_______________________?
Stoichiometry

Cp – Cv for an ideal gas is equal to________________?

Cp – Cv for an ideal gas is equal to________________?

A. R
B. R/2
C. 2R
D. 3R

Read More Cp – Cv for an ideal gas is equal to________________?
Stoichiometry

Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the___________________?

Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the___________________?

A. Nature of the liquid
B. Nature of the gas
C. Temperature of the liquid
D. Total pressure

Read More Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the___________________?
Stoichiometry

At higher temperature, molal heat capacities of most of the gases (at constant pressure) ____________ with increase in temperature?

At higher temperature, molal heat capacities of most of the gases (at constant pressure) ____________ with increase in temperature?

A. Increases
B. Decreases
C. Remains unchanged
D. Increases linearly

Read More At higher temperature, molal heat capacities of most of the gases (at constant pressure) ____________ with increase in temperature?
Stoichiometry

Percentage saturation of a vapor bearing gas is always _____________ the relative saturation?

Percentage saturation of a vapor bearing gas is always _____________ the relative saturation?

A. Higher than
B. Smaller than
C. Equal to
D. Either A. or B.; depends on the system

Read More Percentage saturation of a vapor bearing gas is always _____________ the relative saturation?

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