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9 Using Chemistry
Using chemistry flashcards
| Term | Definition |
|---|---|
| A burning reaction, when a fuel combines with oxygen and releases energy. | combustion |
| A reaction that occurs when a more reactive metal ‘pushes’ another metal out of a compound and takes its place. | displacement |
| A chemical compound containing only hydrogen and carbon. | hydrocarbon |
| A reaction that occurs when an element or compound combines with oxygen. | oxidation |
| A way of saying how much energy is transferred by electricity. | voltage |
| The idea that the total mass of all the reactants in a chemical reaction is the same as the total mass of all the products. | law of conservation of mass |
| Insoluble solid produced by mixing two solutions. | precipitate |
| A chemical compound containing only hydrogen and carbon. | hydrocarbon |
| A substance that was once thought to be part of most materials and was thought to be given off when things burnt. | phlogiston |
| An idea about why something happens that can be tested by carrying out scientific experiments. | theory |
| Man-made as opposed to naturally occuring | Synthetic |
| A substance that releases energy as heat or light when burnt. | Fuel |
| A simple cell in which the difference in reactivity of two metals is used to generate electricity. | Voltaic cell |
| Substances which react together in a chemical reaction. | reactants |
| A dangerous product of incomplete combustion. | Carbon monoxide |
| Substances that are produced as a result of chemical reactions. | Products |