Balancing/Word Equations Review

Front

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

Back

2, 4, 1

Front

What are the new substances formed in a chemical reaction called?

Back

Products

Front

In the reaction Potassium iodide + lead nitrate → _____________ + lead iodide, what is missing?

Back

Potassium nitrate

Front

How many hydrogens are in 4H₂O?

Back

8

Front

Balance the reaction: ___AlBr₃ + ___K₂SO₄ → ___KBr + ___Al₂(SO₄)₃

Back

2, 3 → 6, 1

Front

What is the definition of a reactant?

Back

A substance that undergoes change during a chemical reaction.

Front

What is the definition of a product?

Back

A substance that is formed as a result of a chemical reaction.

Front

What does it mean to balance a chemical equation?

Back

To ensure that the number of atoms for each element is the same on both sides of the equation.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is a coefficient in a chemical equation?

Back

A number placed in front of a chemical formula to indicate how many molecules are involved.