Showing posts with label hydrocarbon. Show all posts
Showing posts with label hydrocarbon. Show all posts

Sunday, 19 May 2013

5.6 understand that crude oil is a mixture of hydrocarbons

Crude oil is a thick, sticky, black liquid that is found under the ground and under the sea in certain parts of the world such as he Middle East and Texas, USA.

It is a mixture of hydrocarbons, mostly alkanes.

Saturday, 18 May 2013

3.1 explain the terms homologous series, hydrocarbon, saturated, unsaturated, general formula and isomerism.

Organic chemistry introduction

homologous series: a series of organic compounds that have the same general formula, similar chemical reactions and where each member differ from the next by a given formula.

hydrocarbon: a compound only containing carbon and hydrogen

saturated: an organic compound in which all the bonds are single bonds

unsaturated: an organic compound that contains a carbon- carbon double bond

general formula: a formula that states the ratio of atoms of each element in the formula of every compound in a particular homologous series

isomerism: compounds that have the same molecular formula but different formulae are said to exhibit isomerism, the different compounds are called isomers