Chemical Reactions Word Scramble
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Term | Definition |
Physical Change | A change that alters the form or apperance of a material but does not make the material into another substance. |
Chemical Change | A change in whichone or more substances combine or break apart to form new substances. |
Reactant | A substance that eners into a chemical reaction. |
Product | A substance formed as a result of a chemical reaction. |
Precipitate | A solid that forms from a solution during a chemical reaction. |
Exothermic Reaction | A change in which energy is released. |
Endothermic Reaction | A reaction that absorbs energy. |
Chemical Equation | A short,easy way to show a chemical reaction, using symbols. |
Open System | A system in which matter can enter from or escape to the surroundings. |
Synthesis | A chemicalreaction in which two or more simple substances combine to form a new, more complex substance. |
Law of conservation of mass | The principle that the total amount of matter is neither created nor destroyed during any chemical or physical change. |
Closed System | A system in which no matter is allowed to enter or leave. |
Decompositon | A chemical reaction that breaks down compunds into simpler products. |
Coefficient | A number in front of a chemical formula in an equation that inicaes how many molecules or atoms of each reactant and product are involved in a reaction. |
Replacement | A reaction in which one element in which one element replaces another in a compound or when two elements in different compounds trade places. |
Activation Energy | The minimum amount of energy needed to start a chemical reaction. |
Concentration | The amount of one material ina a certain volume of another material. |
Enzyme | A protein molecule that is a biological catalyst with three characteristics. |
Inhibitor | A thing that inhibits someone or something. |
Catalyst | A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change. |
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