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How do you know for sure that a chemical reaction is taking place?
enzyme
False
conservation of mass
double replacement
chemical equation
studying the substance before and after the reaction
Antoine Lavoisier
reactants
The substances to the left of the arrow in a chemical equation are called the
enzyme
False
conservation of mass
double replacement
chemical equation
studying the substance before and after the reaction
Antoine Lavoisier
reactants
The total mass before a chemical reaction is the same after a chemical reaction. This is the law of
enzyme
False
conservation of mass
double replacement
chemical equation
studying the substance before and after the reaction
Antoine Lavoisier
reactants
Negative ions in 2 compounds switch places in which kind of reaction?
enzyme
False
conservation of mass
double replacement
chemical equation
studying the substance before and after the reaction
Antoine Lavoisier
reactants
A catalyst that speeds up chemical reactions in living cells is called a(n)
enzyme
False
conservation of mass
double replacement
chemical equation
studying the substance before and after the reaction
Antoine Lavoisier
reactants
Whose research contributed to the law of conservation of mass?
enzyme
False
conservation of mass
double replacement
chemical equation
studying the substance before and after the reaction
Antoine Lavoisier
reactants
When a catalyst is added to a reaction, it is considered a reactant.
enzyme
False
conservation of mass
double replacement
chemical equation
studying the substance before and after the reaction
Antoine Lavoisier
reactants
A description of a reaction using element symbols and chemical formulas is called a
enzyme
False
conservation of mass
double replacement
chemical equation
studying the substance before and after the reaction
Antoine Lavoisier
reactants
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