Unit 5 Review Chem

Front

What type of reaction is KClO₃ → KCl + O₂?

Back

Decomposition: A reaction where a single compound breaks down into two or more products.

Front

What type of reaction is Mg + Br₂ → MgBr₂?

Back

Synthesis: A reaction where two or more reactants combine to form a single product.

Front

What are the coefficients used to balance the equation: __Ag₂O → __Ag + __O₂?

Back

2, 4, 1: The balanced equation shows that 2 moles of silver oxide decompose to produce 4 moles of silver and 1 mole of oxygen.

Front

What type of reaction is H₂ + N₂ → NH₃?

Back

Synthesis: This reaction combines hydrogen and nitrogen to form ammonia.

Front

What describes a precipitate?

Back

A new solid product formed from two aqueous reactants.

Front

Define a chemical reaction.

Back

A process that leads to the transformation of one set of chemical substances to another.

Front

What is the law of conservation of mass?

Back

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

Front

What is a reactant?

Back

A substance that takes part in and undergoes change during a reaction.

Front

What is a product in a chemical reaction?

Back

A substance that is formed as a result of a chemical reaction.

Front

What is a balanced chemical equation?

Back

An equation where the number of atoms for each element is the same on both sides.