Chapter 11 – Text Questions Chemical Reactions Name: Hour: Date: Directions: Answer each of the following questions using the text or other sources. Section 11.1 1) List three types of evidence that indicate a chemical reaction has occurred (p. 49). 2) Compare and contrast a skeleton equation and a chemical equation. 3) Why is it important that a chemical equation be balanced? 4) When balancing a chemical equation, can you adjust the number that is subscripted to a substance formula? Explain your answer. 5) What are the steps in balancing a chemical equation? 6) Explain the difference between reactants and products. 7) What do the arrows and coefficients used by chemists in equations communicate? 8) Identify the reactants in the following reaction: when potassium is dropped into aqueous zinc nitrate, zinc and aqueous potassium nitrate form. Section 11.2 1) What are the five classes of chemical reactions? 2) Identify two characteristics of combustion reactions. 3) Compare and contrast single-replacement reactions and double-replacement reaction. Chapter 11 – Text Questions Chemical Reactions Name: Hour: Date: 4) Describe the result of a double-replacement reaction. 5) What type of reaction is most likely to occur when barium reacts with fluorine? Write the chemical equation for the reaction. 6) Describe the five classes of chemical reactions. 7) How would you classify a chemical reaction between two reactants that produces one product? Section 11.3 1) Describe an aqueous solution. 2) Distinguish between a complete ionic equation and a net ionic equation. 3) What are three common types of products produced by reactions that occur in aqueous solutions? 4) Under what condition does a precipitate form in a chemical reaction? Chapter 11 – Text Questions Chemical Reactions Name: Hour: Date: Directions: Define each of the following terms. For some of the terms, you may need to consult sources other than your textbook, such as a dictionary or encyclopedia. Vocabulary Word Aqueous solution Chemical equation Chemical reaction Coefficient Combustion reaction Decomposition reaction Double-replacement reaction Net ionic equation Precipitate Single-replacement reaction Spectator ion Synthesis reaction Definition Example/Diagram
© Copyright 2026 Paperzz