Tro Chapter 7-Reactions

Front

What is typically formed when an acid reacts with a base?

Back

Water.

Front

How many molecules of carbon dioxide are produced from the combustion of one molecule of propane (C3H8)?

Back

3 molecules of carbon dioxide.

Front

What are some signs that a chemical reaction has occurred?

Back

Signs include color change, gas production, temperature change, and formation of a precipitate.

Front

What type of reaction is represented by the equation: Fe(s) + 2HCl(aq) → FeCl2(aq) + H2(g)?

Back

Single displacement reaction.

Front

What salt is formed from the neutralization reaction between perchloric acid and potassium hydroxide?

Back

Potassium perchlorate.

Front

Define a chemical reaction.

Back

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

Front

What is the general form of a neutralization reaction?

Back

Acid + Base → Salt + Water.

Front

What is a combustion reaction?

Back

A chemical reaction that occurs when a substance combines with oxygen, releasing energy in the form of light or heat.

Front

What is the role of indicators in acid-base reactions?

Back

Indicators change color to show the pH level of a solution, helping to identify whether it is acidic or basic.

Front

What is a precipitate?

Back

A solid that forms and settles out of a liquid mixture during a chemical reaction.