Physical Chemistry Answers

Calculate the entropy of mixing of 2 moles of H₂ and 3 moles of O₂ assuming that no chemical reaction occurs.

The Van Der Waals constants 'a' and 'b' for NH₃ (ɡ) are 0.4225 Pa m⁶ mol⁻² and 37.07×10⁶ mol⁻¹ respectively . calculate the values of its critical constants .

How is the adsorption offer a gas on a solid affected by the following :

(a) critical temperature of gas
(b) temperature of the system

Which of the following will exert greater osmotic pressure -0.1M NaCl or 0.1 M glucose ? Give reason for your answer

Derive an expression for the hydrolysis constant of sodium acetate.

what do you understand by the entropy of a substance ? what are its units ? write the general expression for the entropy change of a process.

What is CST of a partially miscible liquid pair ? give one example each for the following liquid pairs which have

(a) lower CST
(b) upper CST
(c) both lower and upper CST

Calculate the molar enthalpy of vaporization of a liquid which boils at 120°C.

How would you determine the critical volume of a gas?

State konowaloff's rule.