Stoichiometry | Test For NTS PPSC FPSC, TEST

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

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Category: Stoichiometry

A vessel of volume 1000 m3 contains air which is saturated with water vapour. The total pressure and temperature are 100 kPa and 20°C respectively. Assuming that the vapour pressure of water at 20°C is 2.34 kPa, the amount of water vapour (in kg) in the vessel is approximately ?

Total energy at a point comprises of _____________ energy?

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

Heat of reaction is a function of the___________________?

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

One ‘Therm’ is equivalent to___________________?

For a neutral solution (pH = 7), the value of [H+] [OH-] is equal to_________________?

What fraction of the total pressure is exerted by oxygen, if equal weights of oxygen and methane are mixed in an empty vessel at 25°C ?

The combustion equations of carbon and carbon monoxide are as follows: C + O2 = CO2, ΔH = – 394 kJ/kg .mole CO + ½ O2 = CO2, ΔH = – 284.5 kJ/kg. mole. The heat of formation of CO is _____________ kJ/kg. mole?

Raoult’s law is not applicable to the___________________?