Stoichiometry

Clausius Clapeyron equation applies to the _____________ process?

Byadmin March 12, 2019August 30, 2021

Clausius Clapeyron equation applies to the _____________ process?

A. Sublimation
B. Melting
C. Vaporisation
D. All A., B. & C.

Stoichiometry

1 BTU/ft3 is approximately equal to _____________ kcal/m3?

1 BTU/ft3 is approximately equal to _____________ kcal/m3?

A. 1
B. 9
C. 4
D. 252

Read More 1 BTU/ft3 is approximately equal to _____________ kcal/m3?
Stoichiometry

In the reaction, Ca + 2H2O = Ca(OH)2 + H2; what volume (c.c.) of hydrogen at STP would be liberated, when 8 gm of calcium reacts with excess water ? (Atomic weight of calcium = 40) ?

In the reaction, Ca + 2H2O = Ca(OH)2 + H2; what volume (c.c.) of hydrogen at STP would be liberated, when 8 gm of calcium reacts with excess water ? (Atomic weight of calcium = 40) ?

A. 4480
B. 2240
C. 1120
D. 0.4

Read More In the reaction, Ca + 2H2O = Ca(OH)2 + H2; what volume (c.c.) of hydrogen at STP would be liberated, when 8 gm of calcium reacts with excess water ? (Atomic weight of calcium = 40) ?
Stoichiometry

Thermal diffusivity of a refractory brick is high, when its ______________ is high?

Thermal diffusivity of a refractory brick is high, when its ______________ is high?

A. Density
B. Specific heat
C. Thermal conductivity
D. None of these

Read More Thermal diffusivity of a refractory brick is high, when its ______________ is high?
Stoichiometry

An aqueous solution of 2.45% by weight H2SO4 has a specific gravity of 1.011. The composition expressed in normality is______________?

An aqueous solution of 2.45% by weight H2SO4 has a specific gravity of 1.011. The composition expressed in normality is______________?

A. 0.2500
B. 0.2528
C. 0.5000
D. 0.5055

Read More An aqueous solution of 2.45% by weight H2SO4 has a specific gravity of 1.011. The composition expressed in normality is______________?
Stoichiometry

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

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

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

500 c.c. each of hydrogen at 700 mm Hg pressure and oxygen at 600 mm Hg pressure are put together in a vessel of 1 litre capacity. The final pressure of the gas mixture will be _____________ mm Hg?

500 c.c. each of hydrogen at 700 mm Hg pressure and oxygen at 600 mm Hg pressure are put together in a vessel of 1 litre capacity. The final pressure of the gas mixture will be _____________ mm Hg?

A. 650
B. 700
C. 600
D. 375

Read More 500 c.c. each of hydrogen at 700 mm Hg pressure and oxygen at 600 mm Hg pressure are put together in a vessel of 1 litre capacity. The final pressure of the gas mixture will be _____________ mm Hg?

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