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Conservation of Mass

Law of Conservation of Mass The total mass of the reactants will always equal the mass of the products in a chemical reaction.
Matter Anything takes up space and has mass.
Chemical Change When a chemical reaction takes place and at least one new product is made (usually not reversible)
Physical Change A change in the physical properties of a substance (is reversible)
Product Substances result from a chemical reaction.
Reactant Substances undergoing change in a chemical reaction.
Which of the following is NOT an example of matter? ice, air, light, water light
Which characteristic would describe a physical change? reversible, not reversible, creates a new substance, includes burning a substance reversible
During a chemical change, the substances undergoing change are called __________________. reactants
The law of conservation of mass states that, in a chemical reaction, matter is never created nor ______________________. destroyed
Physical Change or Chemical Change? Tearing a piece of paper Physical
Physical Change or Chemical Change? Baking a cake Chemical
Physical Change or Chemical Change? Burning a log Chemical
Physical Change or Chemical Change? Melting ice cubes Physical
Physical Change or Chemical Change? Cutting your hair Physical
Physical Change or Chemical Change? Fireworks exploding Chemical
A ____________________________ change is a change in the physical properties of a substance. physical
Physical changes are usually _________________________________. reversible
A ________________________________ change is when a chemical reaction takes place and at least one new product is made. chemical
Chemical changes are usually ___________________________. irreversible
The Law of Conservation of Mass states that the total mass of the products will always equal the mass of the _____________. reactants
Created by: cslovacek5
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