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3 Cards in this Set
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chemical equations
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A chemical reaction takes place when the properties change for example the atomic number. It is the change of state the reactions are irreversible
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chemical equations con.
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You can tell when a reaction is happened by changing color and temperature if you have physical bubbling which is called effervescence there is the gas being produced. pop test indicates hydrogen.
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continued
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Chemical reactions are presented by WED and symbol equations the reactants are the two thought the substances that you start with and the product is what you end up with.
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