Write a balanced equation for each of the following: a. iron(III) oxide + magnesium $\longrightarrow$ magnesium oxide + iron. b. nitrogen dioxide + water $\longrightarrow$ nitric acid + nitrogen monoxide. c. silicon tetrachloride + water $\longrightarrow$ silicon dioxide + hydrochloric acid.

Explain why a net ionic equation is the best way to represent a double-displacement reaction.

Which ions in a total ionic equation are called spectator ions? Why?

A student writes the following statement in a lab report: “During the reaction, the particles of the reactants are lost. The reaction creates energy and particles of the products.” a. Explain the scientific inaccuracies in the student’s statement. b. How could the student correct the inaccurate statement?

How do total and net ionic equations differ?

What are the products of the complete combustion of a hydrocarbon?

When a binary compound is the only reactant, what are the products most likely to be?

What is meant by a balanced equation?

Which of these sentences correctly states the law of conservation of mass? F. In a chemical reaction, the mass of the products cannot exceed the mass of the reactants. G. In a chemical reaction, the mass of the products is always equal to the mass of the reactants. H. In a chemical reaction, the mass of the products is always less than the mass of the reactants. I. In a chemical reaction, the mass of the products is always greater than the mass of the reactants.

How does a coefficient in front of a formula affect the number of each type of atom in the formula?

Write the chemical equation that relates to each of the following word equations. Include symbols for physical states in the equation. a. solid zinc sulfide+oxygen gas

$$\longrightarrow$$

solid zinc oxide + sulfur dioxide gas. b. aqueous hydrochloric acid + aqueous barium hydroxide

$$\longrightarrow$$

aqueous barium chloride+water. c. aqueous nitric acid + aqueous calcium hydroxide

$$\longrightarrow$$

aqueous calcium nitrate + water

What chemicals are present in a net ionic equation?

What is the only way to prove that a chemical reaction has occurred?

What must form in order for a double-displacement reaction to occur?