chemistry 1.0 / 5 based on 1 rating ? ChemistryBonding & shapesEnthalpyASCIE Created by: nikita dewaniCreated on: 29-04-13 12:07 what is meant by enthalpy change of combustion when one mole of elements/compounds are burnt in excess of oxygen completely to form carbon dioxide an water 1 of 5 what is meant by the term molecular formula? number of carbon and hydrogen in a sample 2 of 5 what is a hydrocarbon? it is a substance that contains hydrogen and carbon atoms 3 of 5 what are free radicals? they are elements with an unpaired electron in the outermost shell and are very reactive in nature 4 of 5 what is a carbocation? it is a carbon atom with a positive charge 5 of 5
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