Stoichiometry Archives - Page 5 of 37 -

Number of gm moles of solute dissolved in one liter of a solution is called its____________________?

Number of gm moles of solute dissolved in one liter of a solution is called its____________________?

A. Equivalent weight
B. Molarity
C. Molality
D. Normality

Number of gm moles of solute dissolved in one liter of a solution is called its____________________? Read More »

A gaseous mixture contains 14 kg of N2, 16 kg of O2 and 17 kg of NH3. The mole fraction of oxygen is__________________?

A gaseous mixture contains 14 kg of N2, 16 kg of O2 and 17 kg of NH3. The mole fraction of oxygen is__________________?

A. 0.16
B. 0.33
C. 0.66
D. 0.47

A gaseous mixture contains 14 kg of N2, 16 kg of O2 and 17 kg of NH3. The mole fraction of oxygen is__________________? Read More »

Stoichiometry

Vapor pressure of a solution is proportional to (where, Sv and St are mole fraction of solvent and solute respectively) ?

Stoichiometry / admin

Vapor pressure of a solution is proportional to (where, Sv and St are mole fraction of solvent and solute respectively) ?

A. Sv
B. 1/St
C. St
D. 1/Sv

Vapor pressure of a solution is proportional to (where, Sv and St are mole fraction of solvent and solute respectively) ? Read More »

Stoichiometry

The value of gas constant ‘R’ is ______________ kcal/kg.mole.°C?

Stoichiometry / admin

The value of gas constant ‘R’ is ______________ kcal/kg.mole.°C?

A. 2.79
B. 1.987
C. 3.99
D. None of these

The value of gas constant ‘R’ is ______________ kcal/kg.mole.°C? Read More »

Stoichiometry

In a binary liquid system, the composition expressed as _______________ is independent of the temperature & pressure?

Stoichiometry / admin

In a binary liquid system, the composition expressed as _______________ is independent of the temperature & pressure?

A. Kg of solute/kg of solvent
B. Kg-mole of solute/kg-mole of solvent
C. Kg-mole of solute/1000 kg of solvent
D. All A., B. & C.

In a binary liquid system, the composition expressed as _______________ is independent of the temperature & pressure? Read More »

Stoichiometry

Unit of mass velocity is___________________?

Stoichiometry / admin

Unit of mass velocity is___________________?

A. kg/m.hr
B. kg/m2.hr
C. kg/hr
D. kg/m2

Unit of mass velocity is___________________? Read More »

Stoichiometry

Elements in a periodic table are arranged in order of their__________________?

Stoichiometry / admin

Elements in a periodic table are arranged in order of their__________________?

A. Atomic number
B. Mass number
C. Atomic weight
D. Metallic characteristics

Elements in a periodic table are arranged in order of their__________________? Read More »

Stoichiometry

The most convenient way of expressing solution concentration is in terms of___________________?

Stoichiometry / admin

The most convenient way of expressing solution concentration is in terms of___________________?

A. Mole fraction
B. Normality
C. Molality
D. Molarity

The most convenient way of expressing solution concentration is in terms of___________________? Read More »

Stoichiometry

Disappearance of snow in subzero weather exemplifies the process of_________________?

Stoichiometry / admin

Disappearance of snow in subzero weather exemplifies the process of_________________?

A. Evaporation
B. Sublimation
C. Vaporisation
D. Melting

Disappearance of snow in subzero weather exemplifies the process of_________________? Read More »

Stoichiometry

The vapour pressure of water is given by, in Psat = A – (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K. The vapor pressure of water in atm. at 50°C is approximately__________________?

Stoichiometry / admin

The vapour pressure of water is given by, in Psat = A – (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K. The vapor pressure of water in atm. at 50°C is approximately__________________?

A. 0.07
B. 0.09
C. 0.11
D. 0.13

Stoichiometry