Chemical Formula Balancing and Reaction Types Review

Front

What is a chemical equation?

Back

A chemical equation is a symbolic representation of a chemical reaction, showing the reactants and products along with their respective quantities.

Front

What does it mean to balance a chemical equation?

Back

Balancing a chemical equation means ensuring that the number of atoms of each element is the same on both sides of the equation, adhering to the law of conservation of mass.

Front

What are coefficients in a chemical equation?

Back

Coefficients are the numbers placed before the compounds in a chemical equation to indicate the relative amounts of each substance involved in the reaction.

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction; the total mass of reactants equals the total mass of products.

Front

What type of reaction is represented by C7H14 + O2 → CO2 + H2O?

Back

This reaction is a combustion reaction, where a hydrocarbon reacts with oxygen to produce carbon dioxide and water.

Front

How many oxygen atoms are in 2H2O?

Back

There are 2 oxygen atoms in 2H2O.

Front

What is a decomposition reaction?

Back

A decomposition reaction is a type of chemical reaction where a single compound breaks down into two or more simpler products.

Front

What is a single replacement reaction?

Back

A single replacement reaction is a type of chemical reaction where one element replaces another element in a compound.

Front

What is a double replacement reaction?

Back

A double replacement reaction is a type of chemical reaction where two compounds exchange ions or bonds to form two new compounds.

Front

What is the formula for sulfuric acid?

Back

The formula for sulfuric acid is H2SO4.