Physical Chemistry Answers

If 7 kg water at 1 bar and 50 degC and 75 kg steam at 205 degC and 10 bar are mixed Ito a single stream. What will be the resulting temperature and phase of the mixture be ?

For a liquid what is, meant by its coefficient of viscosity?

Give the classification of stoichiometric defects in solids.

Describe body-centred cubic crystals with a suitable diagram.

Explain the terms lattice and basis used in crystal system.

For the reaction, Cl2(g)+2NO(g) 2NOCl(g), the initial concentrations, [Cl₂]₀ and [NO]₀ are

given below along the corresponding with initial rates.

[Cl₂]₀/M [NO]₀/M Initial rate/Ms^-1

0.10 0.10 3.0*10^-3

0.20 0.10 6.0*10^-3

0.20 0.20 2.4*10^-2

Determine (i) the order of the reaction with respect to NO and Cl₂; (ii) the rate law; and (iii) the

rate constant.

List and explain different factors affecting rate of a chemical reaction.

What is meant by rate of a reaction? List and explain different types of rates used in chemical

kinetics.

What is the principle of liquefaction of gases? Describe any one method used for the liquefaction of

gases.

State the assumptions of kinetic theory of gases and derive the following expression for the (5)

pressure of a gas.

p=mNu^-2/(3V)