2597807
Beschreibung
Karteikarten von CLAIRE201282, aktualisiert more than 1 year ago
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Erstellt von CLAIRE201282
vor mehr als 9 Jahre
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| Frage | Antworten |
| Alkane | A hydrocarbon with the general formula CnH2n+2 |
| Alkene | A hydrocarbon with the general formula CnH2n |
| Biodiesel | Diesel fuel made from plat materials |
| Crude oil | A mixture of different sized hydrocarbons |
| Cracking | The breaking apart of a long chain molecule using heat |
| Fractional distillation | A way of separating a mixture of substances according to their boiling points |
| Hydrocarbon | A compound containing only hydrogen and carbon |
| Intermolecular forces | Forces of attraction between molecules |
| Saturated | A hydrocarbon which contains as many hydrogen atoms as possible in each molecule |
| Unsaturated | A hydrocarbon which contains a carbon-carbon double bond |
| Polymer | A substance consisting of very large molecules made of smaller identical molecules called monomers |
| Monomer | A molecule that can combine with other similar molecules to form a polymer |
| Mixture | Two or more elements or compounds that are not chemically combined together. |
| Fractions | Hydrocarbons with similar properties separated by their boiling point |
| Boiling point/condensation point | Temperature at which a substance becomes a vapor/liquifies |
| Viscosity | How easily it flows |
| Volatility | The tendency to turn into a gas |
| Sulphur dioxide | Poisonous gas produced from impurities in the fuel reacting with oxygen from the air. Can cause acid rain. |
| Combustion | When fuels (hydrocarbons) burn in plenty of oxygen to produce carbon dioxide and water |
| Incomplete combustion | When not enough oxygen is present during the reaction to produce carbon dioxide. Carbon monoxide a toxic gas is produced instead. |
| Nitrogen oxides | High temperatures of an engine cause nitrogen and oxygen from the air to react. Can cause acid rain. |
| Particulates | Tiny particles of unburnt hydrocarbons. Cause global dimming. |
| Greenhouse gas | Gas which prevents the heat of the Earth being lost by radiation. |
| Global warming | Changing temperatures around the Earth |
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