(a) lt means that the reaction is exothermic, i.e. heat energy is given out to the surroundings. (b) No. of mol of CH4 ... (a) (i) An exothermic reaction is a reaction which gives out heat energy to the surroundings, and the temperature of the surroundings rises. ... (0 C12H24 (d) C8H18 is a saturated hydrocarbon having single C-C bonds; C12H24 is an unsaturated hydrocarbon having a C = C double bond. 4.
|Title||:||Know Your 'O' Level Chemistry - A Study Guide|
|Author||:||Onn Hock Leong|
|Publisher||:||Panpac Education Pte Ltd -|