Types of Chemical Equations

Front

What is a Double Replacement Reaction?

Back

A chemical reaction where two compounds exchange ions to form two new compounds. Example: PbCl2 + AgNO3 → Pb(NO3)2 + AgCl.

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What happens to the rate of a chemical reaction when the concentration of reactants increases?

Back

The rate of the reaction generally increases, not slows down.

Front

How do you balance the equation: ____ Al + ____ HCl → ____ AlCl3 + ____ H2?

Back

The balanced equation is 2 Al + 6 HCl → 2 AlCl3 + 3 H2.

Front

What is an exothermic reaction?

Back

A reaction that releases heat, making the surroundings feel warm.

Front

How does lowering the temperature affect a chemical reaction?

Back

Lowering the temperature usually slows down the reaction.

Front

What is a Synthesis Reaction?

Back

A type of reaction where two or more reactants combine to form a single product. Example: 2H2 + O2 → 2H2O.

Front

What is a Decomposition Reaction?

Back

A reaction where a single compound breaks down into two or more simpler products. Example: 2H2O → 2H2 + O2.

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What is a Single Replacement Reaction?

Back

A reaction where one element replaces another in a compound. Example: Zn + CuSO4 → ZnSO4 + Cu.

Front

What is the Law of Conservation of Mass?

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In a chemical reaction, mass is neither created nor destroyed; it is conserved.

Front

What is an endothermic reaction?

Back

A reaction that absorbs heat, making the surroundings feel cold.