Unit Chemical Reactions Test

Front

What are the substances on the left side of the arrow that are about to react called?

Back

Reactants

Front

Which coefficients will balance the equation: __CO + __ O2 → __ CO2?

Back

2,1,2

Front

Is Zinc carbonate, ZnCO3 soluble or insoluble?

Back

Insoluble

Front

Predict the products of the reaction: KCl → ?

Back

K + Cl2

Front

What are the spectator ions in the reaction: CuCl2(aq) + NaOH(aq) → Cu(OH)2(s) + NaCl(aq)?

Back

Na+ and Cl-

Front

What is a chemical reaction?

Back

A process where reactants transform into products, involving the breaking and forming of bonds.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed; it remains constant.

Front

What is a coefficient in a chemical equation?

Back

A number placed before a compound to indicate how many molecules are involved in the reaction.

Front

What is a product in a chemical reaction?

Back

The substances that are formed as a result of a chemical reaction.

Front

What is a balanced chemical equation?

Back

An equation where the number of atoms for each element is the same on both sides.