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Chem A/Honors Chem A Unit 4 Study Guide 20-21Understand reactions at dynamic equilibrium and the rates at which reactants are consumed and products are produced.Be able to calculate equilibrium constants when given a balanced equation and the concentrations of reactants and productsUnderstand that solids are not used when calculating the equilibrium constants for a reactionDescribe what catalysts do and identify homogeneous vs. heterogeneous catalystsUnderstand enzymes as catalystsDescribe how catalytic converters work in terms of catalystsBe able to identify a reaction with a catalyst – know the symbol used to indicate presence of a catalystUnderstand what activation energy is and how it affects reaction rates. Be able to determine if a reaction is spontaneous or not based on the activation energy graphUnderstand that reaction rates are not related to whether a reaction is spontaneous – spontaneous reactions can be VERY slowDescribe how an increase in reactant concentration affects the rate of a reactionDescribe how to increase the rates of reactions involving solids, liquids, and gasesKnow the definitions of oxidation and reductionKnow the rules for assigning oxidation numbersBe able to assign oxidation numbers to atoms in a chemical reactionDetermine whether something is oxidized or reduced in a chemical reactionIdentify the oxidizing agent and the reducing agent in a redox reactionUse half reactions to determine which substance is oxidized or reducedBalance equations using half reactions and know the steps involvedKnow and identify the following types of reactions: synthesis, decomposition, combustion, single replacement, double replacementPredict products for reactionsDefine precipitateKnow why the activity series of metals is used and what it isWrite word equations and chemical equationsBalance chemical equationsIdentify reactants and products in a chemical reaction ................
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