Balancing and Types of Rxns

Front

What is the general form of a decomposition reaction?

Back

AB -> A + B

Front

What are the coefficients used to balance the equation: Ag2O → __ Ag + __ O2?

Back

2, 4, 1

Front

Balance the equation: SnO2 + __ H2 → __ Sn + __ H2O.

Back

1, 2, 1, 2

Front

If a reaction starts with 20g of reactants, what should it produce?

Back

A total of 20g of products.

Front

What is the key characteristic of a double displacement reaction?

Back

Positive and negative ions of two ionic compounds switch places.

Front

Define a synthesis reaction.

Back

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

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is a single displacement reaction?

Back

A reaction where an element displaces another in a compound.

Front

What is the general form of a combustion reaction?

Back

Hydrocarbon + O2 → CO2 + H2O.

Front

What is the difference between an endothermic and exothermic reaction?

Back

Endothermic absorbs heat; exothermic releases heat.