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Stack #66027
| words | |
|---|---|
| physical property | a characteristic of a substance that does not involve a chemical change, such as denstity colo hardness |
| chemical property | a property of matter that describes a substances ability to participate in chemical change |
| reactant | asubstance or molcule that participatesin a chemical reaction |
| product | a substance that forms in a chemical reaction |
| law of conservation of mass | the law that states that energy cannot be created or destroyed but can be changedfrom one substance 2 another |
| endothermic | a chemicl reaction that requiers heat |
| exothermic | a chemical reaction that releases heat |
| law of conervation of energy | the law that states energy canot be created or destroyed but can be changed from one form to another |