Chemical Equations 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 quantities.

Front

What does it mean for a chemical equation to be balanced?

Back

A balanced chemical equation has the same number of each type of atom on both sides of the equation, indicating that mass is conserved during the reaction.

Front

How do you determine the number of atoms in a compound?

Back

To find the total number of atoms in a compound, add the subscripts of each element in the chemical formula.

Front

What is the significance of coefficients in a chemical equation?

Back

Coefficients indicate the number of molecules or moles of a substance involved in the reaction, affecting the overall balance of the equation.

Front

How many oxygen atoms are in Al₂(SO₄)₃?

Back

There are 12 oxygen atoms in Al₂(SO₄)₃.

Front

What is the formula for sulfuric acid?

Back

The formula for sulfuric acid is H₂SO₄.

Front

How many elements are in C₆H₁₂O₆?

Back

There are 3 elements in C₆H₁₂O₆: carbon (C), hydrogen (H), and oxygen (O).

Front

What is the product of the reaction: H₂ + O₂ → 2H₂O?

Back

The product of the reaction is water (H₂O).

Front

How do you identify a balanced chemical equation?

Back

A balanced chemical equation has equal numbers of each type of atom on both sides of the equation.

Front

What is the total number of atoms in H₂SO₄?

Back

There are 7 total atoms in H₂SO₄.