Unit 5 Review Chem

Front

What is a precipitate?

Back

A new solid product formed from two aqueous reactants.

Front

How do you balance the equation SnO2 + H2 -> Sn + H2O?

Back

1, 2, 1, 2

Front

Which of the following is NOT an indicator of a chemical reaction?

Back

The dissolving of one substance in another.

Front

Balance the equation P4 + O2 -> P2O3.

Back

1, 3, 2

Front

Is the equation Mg + Cl2 -> MgCl2 balanced?

Back

Yes, it is already balanced.

Front

What are indicators of a chemical reaction?

Back

Production of heat or light, color change, production of gas bubbles, odor change.

Front

What does it mean to balance a chemical equation?

Back

To ensure 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 an aqueous solution?

Back

A solution in which water is the solvent.

Front

What is a chemical reaction?

Back

A process that leads to the transformation of one set of chemical substances to another.