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a change that occurs when one or more substances change into entirely new substances with different properties
a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
the tendency of an object to resist being moved or, if the object is moving, to resist a change in speed or direction until an outside force acts on the object
Law of Conservation of Mass (Matter)
the law that states that mass cannot be created or destroyed in ordinary chemical and physical changes
a characteristic of a substance that does not involve a chemical change, such as density, color, or hardness
a measure of the gravitational force exerted on an object; its value can change with the location of the object in the universe
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