Unit 1 Part 2 Review

Front

What are the products when magnesium hydroxide (Mg(OH)2) decomposes?

Back

MgO and H2O

Front

If 64.78 grams of oxygen gas reacts with excess hydrogen gas, how many grams of water will be produced based on the balanced equation 2 H2 (g) + O2 (g) → 2 H2O (l)?

Back

72.92 grams

Front

What type of reaction is Li + NaCl → LiCl + Na?

Back

Single Replacement

Front

Balance the following equation: _ Al2O3 + _ NaCl → _ AlCl3 + _ Na2O

Back

1 6 2 3

Front

Balance the following equation: _ Fe + _ O2 → _ Fe2O3

Back

4 3 2

Front

What is a decomposition reaction?

Back

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

Front

Define a balanced chemical equation.

Back

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

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is a synthesis reaction?

Back

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

Front

What is a single replacement reaction?

Back

A reaction where one element replaces another in a compound.