problem1) Answer all the problems:
i) prepare down the record law of thermodynamics.
ii) Give the relation between enthalpy and entropy of thermodynamic reaction.
iii) describe ‘heat of reaction’ and ‘internal energy’.
iv) What do you mean by strong and weak electrolytes.
v) Give the relation between specific - conductivity (k) and equivalent conductivity.
problem2) Give the types of batteries and give full description of any two types of batteries.
problem3)(a) prepare down the Faraday’s first and second law of electrolysis.
(b) How much electric power is needed to produce 1 metric ton (1000 kg.) of chlorine from brine, assuming the ceus operate at 2.0 volts and assuming 100% efficiency.
problem4)(a) describe corrosion and give the types of corrosion.
(b) prepare down the electrochemical cell theory of corrosion its mechanism.