Semester Review #4: Unit 7 & 8 : Chemical Composition & Rxns

Front

What is the chemical formula for Carbonic Acid?

Back

H₂CO₃

Front

How many nitrogen atoms are in Mg(NO₃)₂?

Back

2

Front

How many oxygen atoms are in Mg(NO₃)₂?

Back

6

Front

What type of reaction is represented by AB + CD → AD + CB?

Back

Double Replacement

Front

Identify the decomposition reaction: CaCO₃ → CaO + CO₂, Cl₂ + 2KI → 2 KCl + I₂, Fe + O₂ → Fe₂O₃, 2P + 5O₂ → P₂O₅.

Back

CaCO₃ → CaO + CO₂

Front

Translate the word equation: Hydrogen and Carbon Dioxide react to form Carbonic Acid.

Back

H₂ + CO₂ → H₂CO₃

Front

What is the definition of a decomposition reaction?

Back

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

Front

What is the definition of a double replacement reaction?

Back

A reaction where two compounds exchange ions or bonds to form two new compounds.

Front

What is the law of conservation of mass?

Back

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

Front

What is the balanced equation for the combustion of methane (CH₄)?

Back

CH₄ + 2O₂ → CO₂ + 2H₂O