This is a family of hydrocarbons that all share the same general formula and have chemical properties that are similar.Īlkanes are held together by single bonds.Īlkanes are saturated hydrocarbons. Most of the compounds in crude oil are hydrocarbons called alkanes. Crude oil is made up of a mixture of compounds, most of which are long- and short-chain hydrocarbons. Hydrocarbons are compounds that are made up of the elements hydrogen and carbon only.Ĭrude oil is a non-renewable resource, a fossil fuel. Get all the facts in our Chemistry Unit 6 knowledge organiser The amount of energy that is transferred is the same for both the forward and reverse reaction. For example, if the forward reaction is exothermic then the backward reaction will be endothermic. The forward reaction goes to the left and the backwards reaction goes to the right. The equation would be as follows (where the double arrow symbol represents a reversible reaction is taking place): The products are then able to react together to reform the reactants.Ĭ and D are able to react to form A and B. This results in more frequent successful collisions between the reactant particles, therefore, increasing the rate of the reaction.Ī reversible reaction is one in which the reactants form products. Temperature – When the temperature of the reaction mixture is increased, the reactant particles gain kinetic energy and move much more quickly.A larger area of the solid is now exposed to other reactant particles, therefore, increasing the frequency of successful collisions thus increasing the rate of reaction If the solid is broken up into smaller lumps or crushed into a powder, this will increase the surface area to volume ratio.
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