Stoichiometry

Validity of the relationship, inputs = outputs, holds good for the system at steady state________________?

Byadmin March 4, 2019August 24, 2021

Validity of the relationship, inputs = outputs, holds good for the system at steady state________________?

A. With chemical reaction
B. Without chemical reaction
C. Without chemical reaction & losses
D. None of these

Stoichiometry

Simultaneous doubling of the absolute temperature of a gas and reduction of its pressure to half will result in _____________ in the volume of the gas?

Simultaneous doubling of the absolute temperature of a gas and reduction of its pressure to half will result in _____________ in the volume of the gas?

A. No change
B. Doubling
C. 1/4th reduction
D. Fourfold increase

Read More Simultaneous doubling of the absolute temperature of a gas and reduction of its pressure to half will result in _____________ in the volume of the gas?
Stoichiometry

The total number of atoms in 8.5 gm of NH3 is _______________ × 1023?

The total number of atoms in 8.5 gm of NH3 is _______________ × 1023?

A. 9.03
B. 3.01
C. 1.204
D. 6.02

Read More The total number of atoms in 8.5 gm of NH3 is _______________ × 1023?
Stoichiometry

Raoult’s law is not applicable to the___________________?

Raoult’s law is not applicable to the___________________?

A. Solutes which dissociate or associate in the particular solution
B. Concentrated solutions
C. Both B. & C.
D. Solutions containing non-volatile solute

Read More Raoult’s law is not applicable to the___________________?
Stoichiometry

With increase in the alumina content, the refractoriness of high alumina refractories_________________?

With increase in the alumina content, the refractoriness of high alumina refractories_________________?

A. Increases
B. Decreases
C. Remain same
D. May increase or decrease

Read More With increase in the alumina content, the refractoriness of high alumina refractories_________________?
Stoichiometry

At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to___________________?

At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to___________________?

A. Decrease in mean free path
B. Increased collision rate among molecules
C. Increase in molecular attraction
D. Increase in average molecular speed

Read More At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to___________________?
Stoichiometry

Assuming that CO2 obeys perfect gas law, calculate the density of CO2 (in kg/m3) at 263°C and 2 atm ?

Assuming that CO2 obeys perfect gas law, calculate the density of CO2 (in kg/m3) at 263°C and 2 atm ?

A. 1
B. 2
C. 3
D. 4

Read More Assuming that CO2 obeys perfect gas law, calculate the density of CO2 (in kg/m3) at 263°C and 2 atm ?

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