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Chapter 14 vocab
Question | Answer |
---|---|
What is a Chemical Reaction? | The process by which one or more substances change to produce one or more differentsubstances. |
What is a Precipitate? | A solid that is produced as a result of a chemical reaction in a solution. |
What is a Chemical Formula? | A combination of chemical symbols and numbers to repersent a substance. |
What is a Chemical Equation? | A repersentation of a chemical reaction that uses symbols to show the relationship between the reactants and the products. |
What is a Reactant? | A substance or molecule that participates in a chemical reaction. |
What is a Product? | The substance that forms in a chemical reaction. |
What is the Law of Conservation of Mass? | The law states that mass cannot be created or destroyed in ordinary chemical and physical changes. |
What is a Synthesis Reaction? | A reaction in which two or more substances combine to form a new compound. |
What is a Decomposition Reaction? | A reaction in which a single compound breaks down to form two or more simpler substances. |
What is a Single-Displacement Reaction? | A reaction in which one element or radical takes the place of another element or radical in a compound. |
What is a Double-displacement Reaction? | A reaction in which a gas, a solid precipate, or a molecular compound forms the exchange of ions between two compounds. |
What is a Exothermic Reaction? | A chemical reaction in which heat is released to the surroundings. |
What is a Endothermic Reaction? | A chemical reaction that requires heat. |
What is the Law of Conversatin of Energy? | The law states that energy can not be created or destroyed but can be changed from one form to another. |
What is Activation Energy? | The minimum amount of energy required to start a chemical reaction. |
What is a Inhibitor? | A substance that slows down or stops a chemical reaction. |
What is a Catalyst? | A substance that changes the rate of a chemical reaction without being used up or changed very much. |