Chapter Menu Chemical Reactions Section 9.1 Reactions and Equations Section 9.2 Classifying Chemical Reactions Section 9.3 Reactions in Aqueous Solutions Exit Click a hyperlink or folder tab to view the corresponding slides.
Section 9-1 Section 9.1 Reactions and Equations
Recognize evidence of chemical change.
chemical change: a process involving one or more substances changing into a new substance chemical reaction reactant product chemical equation coefficient
Represent chemical reactions with equations.
Balance chemical equations.
Chemical reactions are represented by balanced chemical equations.
Section 9-2 Section 9.2 Classifying Chemical Reactions
Classify chemical reactions.
metal: an element that is a solid at room temperature, a good conductor of heat and electricity, and is generally shiny
Identify the characteristics of different classes of chemical reactions.
Section 9-2 Section 9.2 Classifying Chemical Reactions (cont.) synthesis reaction combustion reaction decomposition reaction single-replacement reaction There are four types of chemical reactions: synthesis, combustion, decomposition, and replacement reactions. double-replacement reaction precipitate
Section 9-3 Section 9.3 Reactions in Aqueous Solutions
Describe aqueous solutions.
solution: a uniform mixture that might contain solids, liquids, or gases
Write complete ionic and net ionic equations for chemical reactions in aqueous solutions.
Predict whether reactions in aqueous solutions will produce a precipitate, water, or a gas.
Section 9-3 Section 9.3 Reactions in Aqueous Solutions (cont.) aqueous solution solute solvent Double-replacement reactions occur between substances in aqueous solutions and produce precipitates, water, or gases. complete ionic equation spectator ion net ionic equation
Section 9-3 Section 9.3 Assessment An equation that includes only the particles that participate in a reaction is called: A. net ionic equation B. spectator ions C. complete ionic equation D. reduced ionic equation
Chapter Assessment 1 The law of conservation of mass requires what in a chemical reaction equation? A. both sides of the equation to contain the same substances B. the reactants to have the same amount of molecules as the products C. both sides to have the same amount of atoms of each element D. the products to have fewer molecules than the reactants
Chapter Assessment 3 Ions that are present in a solution and do not participate in a chemical reaction when another substance is added are called ____. A. spectator ions B. reactants C. products D. net ions
STP 2 A precipitate forms in a double replacement reaction only if: A. the reactivities of the compounds differ B. the new compound is denser than water C. the new compound is soluble in water D. the new compound is not soluble in water
STP 3 A ____ is a statement that uses chemical formulas to show the identities and relative amounts of the substances involved in a chemical reaction. A. word equation B. skeleton equation C. chemical equation D. balanced equation
CIM Table 9.2 Steps for Balancing Equations Figure 9.15 The Forming of a Precipitate Table 9.4 Types of Chemical Reactions
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