Stoichiometry

Which of the following gases will have the- highest kinetic energy per mole at the same pressure & temperature ?

Byadmin March 12, 2019August 30, 2021

Which of the following gases will have the- highest kinetic energy per mole at the same pressure & temperature ?

A. Chlorine
B. Nitrogen
C. Ethane
D. All the gases will have the same KE

Stoichiometry

Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of________________?

Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of________________?

A. Mixing
B. Adsorption
C. Wetting
D. Complete wetting

Read More Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of________________?
Stoichiometry

Specific gravity on API scale is given by the relation (where, G = specific gravity at 15.5°C) ?

Specific gravity on API scale is given by the relation (where, G = specific gravity at 15.5°C) ?

A. °API = 200(G – 1)
B. °API = (141.5/G) – 131.5
C. °API = (140/G) – 130
D. °API = 145 – (145/G)

Read More Specific gravity on API scale is given by the relation (where, G = specific gravity at 15.5°C) ?
Stoichiometry

On addition of 1 c.c. of dilute hydrochloric acid (1% concentration) to 80 c.c. of a buffer solution of pH = 4, the pH of the solution becomes_________________?

On addition of 1 c.c. of dilute hydrochloric acid (1% concentration) to 80 c.c. of a buffer solution of pH = 4, the pH of the solution becomes_________________?

A. 1
B. 8
C. 4
D. 2

Read More On addition of 1 c.c. of dilute hydrochloric acid (1% concentration) to 80 c.c. of a buffer solution of pH = 4, the pH of the solution becomes_________________?
Stoichiometry

Faster rate of drying of moulded refractories results in high ______________ of refractories?

Faster rate of drying of moulded refractories results in high ______________ of refractories?

A. Green strength
B. Voids
C. Shrinkage
D. Both B. and C.

Read More Faster rate of drying of moulded refractories results in high ______________ of refractories?
Stoichiometry

The evaporation of aqueous solution of sugar causes its molarity to__________________?

The evaporation of aqueous solution of sugar causes its molarity to__________________?

A. Decrease
B. Increase
C. Remain unchanged
D. Either A. or B.; depends on the concentration of the solution

Read More The evaporation of aqueous solution of sugar causes its molarity to__________________?
Stoichiometry

If 1 Nm3 of O2 contains ‘N’ number of molecules, then number of molecules in 2Nm3 of SO2 will be_________________?

If 1 Nm3 of O2 contains ‘N’ number of molecules, then number of molecules in 2Nm3 of SO2 will be_________________?

A. N
B. N/2
C. 2N
D. 4N

Read More If 1 Nm3 of O2 contains ‘N’ number of molecules, then number of molecules in 2Nm3 of SO2 will be_________________?

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