)Explain, with the examples where possible, the following:i)work (2mrks)ii)heat (2mrks)iii)Bohr Temperture (2mrks)iv)Order of a reaction(2mrks)v)reaction mechanism (2mrks)B)i)Explain why real gases deviate from ideal gas behavior (3mrks)ii)State the principle of corresponding states.(1mrk)iii)Estimate the critical constants of a gas with van der waals paremeters a= 0.751 atm L2mol-2 and b=0.0226 Lmol-1(3mrks)C(i)Explain what is internal energy (U).(ii) A mole of monoatomic gas at 1 bar and 273.15K is allowed to expand adiabatically against a constant pressure of 0.395 bar until equilibrium (CV =3/2 R)a)Calculate the final volume.(2mrks)b) Calculate the final temperature.(2mrks)c)calculate the work done during the process.(2mrks).D)(i) Consider the reactionA + B ? productsFrom the following data at a given temperature determine the order and rate constant of the reaction: (4mrks)(A)mol dm-3 (B)mol dm-3 rate(mol-1)1.5 1.50 3.2 × 10-11.5 2.50 3.2 × 10-13.0 1.50 6.4 × 10-1ii) The rate constant for the second order reaction:2NO2(g) + 2NO(g) + O2(g) is 0.54Ms at 30oCCalculate how long it will take for the concentration of NO2 to decrease from 0.62M to 0.28M (mrks)