(b) (i) Define the electrical energy and the mechanical energy.
(ii) Calculate the heat of combustion of butane gas (C4H10) if its heat of formation is -124 kJ mol-1.The
Heats of formation of CO2 (g) and H2O(l) are -395 kJ mol-1 and -287 kJ mol-1, respectively.
(c) Write down the complete equations of the following equations.
(i) CH3-CH2-COONa + NaOH → ?
(ii) CH3-CH2-OH H2SO4(conc) ?
(iii) CH3-CH2-OH Al2O3 ?
(iv) CH3-CH2-Cl + KOH ethanol ?