2014Polystyrene is widely used as packaging materials for fragile objects during transportation because of itsSee more
2014A hydrocarbon has an empirical formula CH and a vapour density of 39. Determine its molecular formula.[C = 12, H = 1]See more
2014CH3COOC2H5(1) + H2O(1) ⇌ CH 3COOH (aq) + C 2H 5OH (aq)The purpose of H+ in the reaction above is toSee more