AP Chemistry Flashcards: Types Of Chemical Reactions

Study Types Of Chemical Reactions in AP Chemistry with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

AP Chemistry

Types Of Chemical Reactions

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QUESTION

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What is the characteristic feature of a catalyst in a reaction?

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ANSWER

Speeds up reaction without being consumed. Lowers activation energy without being consumed.

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What this deck covers

This deck focuses on Types Of Chemical Reactions, giving you a quick way to review the definitions, rules, and examples that matter most for AP Chemistry.

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Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

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Flashcard 1: What is the characteristic feature of a catalyst in a reaction?

Answer: Speeds up reaction without being consumed. Lowers activation energy without being consumed.

Flashcard 2: What type of reaction is $H_2O_2 \rightarrow H_2O + O_2$ ?

Answer: Decomposition reaction. Hydrogen peroxide breaks down into water and oxygen.

Flashcard 3: State the general form of a double replacement reaction.

Answer: $AB + CD \rightarrow AD + CB$ . Ions from two compounds exchange partners.

Flashcard 4: What is a characteristic of an exothermic reaction?

Answer: Releases energy to the surroundings. Heat is released during the reaction process.

Flashcard 5: What is a characteristic feature of a single replacement reaction?

Answer: One element replaces another in a compound. A free element displaces another in a compound.

Flashcard 6: What is the product of the combustion of methane?

Answer: Carbon dioxide and water. Methane combustion yields $CO_2$ and $H_2O$ .

Flashcard 7: What defines an endothermic reaction?

Answer: Absorbs energy from the surroundings. Heat is absorbed during the reaction process.

Flashcard 8: What type of reaction occurs in $Zn + 2HCl \rightarrow ZnCl_2 + H_2$ ?

Answer: Single replacement reaction. Zinc displaces hydrogen from hydrochloric acid.

Flashcard 9: Identify the type of reaction: $C_3H_8 + 5O_2 \rightarrow 3CO_2 + 4H_2O$ .

Answer: Combustion reaction. Propane reacts with oxygen producing $CO_2$ and $H_2O$ .

Flashcard 10: Identify the reaction type of $CaCO_3 \rightarrow CaO + CO_2$ .

Answer: Decomposition reaction. One compound breaks into two products.

Flashcard 11: Identify the products of a hydrocarbon combustion reaction.

Answer: Carbon dioxide and water. Hydrocarbons plus oxygen always yield $CO_2$ and $H_2O$ .

Flashcard 12: What is the main feature of a displacement reaction?

Answer: One element displaces another in a compound. Same definition as single replacement reaction.

Flashcard 13: Identify the type of reaction: $H_2 + Cl_2 \rightleftharpoons 2HCl$ .

Answer: Reversible reaction. Double arrow indicates equilibrium reaction.

Flashcard 14: Identify the type of reaction: $Ba(OH)_2 + H_2SO_4 \rightarrow BaSO_4 + 2H_2O$ .

Answer: Neutralization reaction. Base plus acid forms salt and water.

Flashcard 15: Identify the general form of a decomposition reaction.

Answer: $AB \rightarrow A + B$ . One compound breaks down into two or more products.

Flashcard 16: Which type of reaction is $AgNO_3 + NaCl \rightarrow AgCl + NaNO_3$ ?

Answer: Double replacement reaction. Ions exchange partners between compounds.

Flashcard 17: What defines a redox reaction?

Answer: Involves transfer of electrons between species. Oxidation and reduction occur simultaneously.

Flashcard 18: State the general form of a neutralization reaction.

Answer: $Acid + Base \rightarrow Salt + Water$ . Standard acid-base reaction equation.

Flashcard 19: What defines a reversible reaction?

Answer: Can proceed in both forward and reverse directions. Equilibrium allows reaction in both directions.

Flashcard 20: What is the role of a reducing agent in a redox reaction?

Answer: Donates electrons and becomes oxidized. Loses electrons while reducing another species.

Flashcard 21: Identify the type of reaction: $Mg + 2HCl \rightarrow MgCl_2 + H_2$ .

Answer: Single replacement reaction. Magnesium displaces hydrogen from acid.

Flashcard 22: Which type of reaction involves electron transfer?

Answer: Redox reaction. Electrons are transferred between reactants.

Flashcard 23: Which reaction type involves a solid forming from two solutions?

Answer: Precipitation reaction. Creates an insoluble solid from aqueous solutions.

Flashcard 24: What is the result of a precipitation reaction?

Answer: Formation of an insoluble solid from solution. Mixing solutions creates an insoluble product.

Flashcard 25: Identify the reaction: $HCl + NaOH \rightarrow NaCl + H_2O$ .

Answer: Neutralization reaction. Acid plus base forms salt and water.

Flashcard 26: What occurs in a combustion reaction?

Answer: A substance reacts with oxygen, releasing energy. Rapid reaction with $O_2$ that produces heat and light.

Flashcard 27: Identify the type of reaction: $Fe + S \rightarrow FeS$ .

Answer: Synthesis reaction. Two elements combine to form one compound.

Flashcard 28: Identify the reaction type: $2H_2O \rightarrow 2H_2 + O_2$ .

Answer: Decomposition reaction. Water molecule breaks into hydrogen and oxygen.

Flashcard 29: Which option best describes an oxidation reaction?

Answer: Loss of electrons by a molecule, atom, or ion. Increase in oxidation state occurs.

Flashcard 30: Identify the type of reaction: $Cu + 2AgNO_3 \rightarrow Cu(NO_3)_2 + 2Ag$ .

Answer: Single replacement reaction. Copper displaces silver from silver nitrate.

Flashcard 31: What defines a double replacement reaction?

Answer: Ions in two compounds exchange places. Cations and anions swap between two compounds.

Flashcard 32: Identify the type of reaction: $2Na + Cl_2 \rightarrow 2NaCl$ .

Answer: Synthesis reaction. Two elements combine to form one compound.

Flashcard 33: Determine the reaction type: $2KClO_3 \rightarrow 2KCl + 3O_2$ .

Answer: Decomposition reaction. Potassium chlorate breaks down when heated.

Flashcard 34: Which type of reaction is $2H_2 + O_2 \rightarrow 2H_2O$ ?

Answer: Synthesis reaction. Two elements combine to form one compound.

Flashcard 35: What defines a synthesis reaction in terms of reactants and products?

Answer: Multiple reactants form a single product. Many starting materials yield one final product.

Flashcard 36: What defines a synthesis reaction?

Answer: Two or more substances combine to form one compound. Multiple reactants combine into a single product.

AP Chemistry Flashcards: Types Of Chemical Reactions

Types Of Chemical Reactions

What this deck covers

How to use these flashcards

All flashcards

Flashcard 1: What is the characteristic feature of a catalyst in a reaction?

Flashcard 2: What type of reaction is H2O2→H2O+O2H_2O_2 \rightarrow H_2O + O_2H2​O2​→H2​O+O2​?

Flashcard 3: State the general form of a double replacement reaction.

Flashcard 4: What is a characteristic of an exothermic reaction?

Flashcard 5: What is a characteristic feature of a single replacement reaction?

Flashcard 6: What is the product of the combustion of methane?

Flashcard 7: What defines an endothermic reaction?

Flashcard 8: What type of reaction occurs in Zn+2HCl→ZnCl2+H2Zn + 2HCl \rightarrow ZnCl_2 + H_2Zn+2HCl→ZnCl2​+H2​?

Flashcard 9: Identify the type of reaction: C3H8+5O2→3CO2+4H2OC_3H_8 + 5O_2 \rightarrow 3CO_2 + 4H_2OC3​H8​+5O2​→3CO2​+4H2​O.

Flashcard 10: Identify the reaction type of CaCO3→CaO+CO2CaCO_3 \rightarrow CaO + CO_2CaCO3​→CaO+CO2​.

Flashcard 11: Identify the products of a hydrocarbon combustion reaction.

Flashcard 12: What is the main feature of a displacement reaction?

Flashcard 13: Identify the type of reaction: H2+Cl2⇌2HClH_2 + Cl_2 \rightleftharpoons 2HClH2​+Cl2​⇌2HCl.

Flashcard 14: Identify the type of reaction: Ba(OH)2+H2SO4→BaSO4+2H2OBa(OH)_2 + H_2SO_4 \rightarrow BaSO_4 + 2H_2OBa(OH)2​+H2​SO4​→BaSO4​+2H2​O.

Flashcard 15: Identify the general form of a decomposition reaction.

Flashcard 16: Which type of reaction is AgNO3+NaCl→AgCl+NaNO3AgNO_3 + NaCl \rightarrow AgCl + NaNO_3AgNO3​+NaCl→AgCl+NaNO3​?

Flashcard 17: What defines a redox reaction?

Flashcard 18: State the general form of a neutralization reaction.

Flashcard 19: What defines a reversible reaction?

Flashcard 20: What is the role of a reducing agent in a redox reaction?

Flashcard 21: Identify the type of reaction: Mg+2HCl→MgCl2+H2Mg + 2HCl \rightarrow MgCl_2 + H_2Mg+2HCl→MgCl2​+H2​.

Flashcard 22: Which type of reaction involves electron transfer?

Flashcard 23: Which reaction type involves a solid forming from two solutions?

Flashcard 24: What is the result of a precipitation reaction?

Flashcard 25: Identify the reaction: HCl+NaOH→NaCl+H2OHCl + NaOH \rightarrow NaCl + H_2OHCl+NaOH→NaCl+H2​O.

Flashcard 26: What occurs in a combustion reaction?

Flashcard 27: Identify the type of reaction: Fe+S→FeSFe + S \rightarrow FeSFe+S→FeS.

Flashcard 28: Identify the reaction type: 2H2O→2H2+O22H_2O \rightarrow 2H_2 + O_22H2​O→2H2​+O2​.

Flashcard 29: Which option best describes an oxidation reaction?

Flashcard 30: Identify the type of reaction: Cu+2AgNO3→Cu(NO3)2+2AgCu + 2AgNO_3 \rightarrow Cu(NO_3)_2 + 2AgCu+2AgNO3​→Cu(NO3​)2​+2Ag.

Flashcard 31: What defines a double replacement reaction?

Flashcard 32: Identify the type of reaction: 2Na+Cl2→2NaCl2Na + Cl_2 \rightarrow 2NaCl2Na+Cl2​→2NaCl.

Flashcard 33: Determine the reaction type: 2KClO3→2KCl+3O22KClO_3 \rightarrow 2KCl + 3O_22KClO3​→2KCl+3O2​.

Flashcard 34: Which type of reaction is 2H2+O2→2H2O2H_2 + O_2 \rightarrow 2H_2O2H2​+O2​→2H2​O?

Flashcard 35: What defines a synthesis reaction in terms of reactants and products?

Flashcard 36: What defines a synthesis reaction?

Flashcard 2: What type of reaction is $H_2O_2 \rightarrow H_2O + O_2$ ?

Flashcard 8: What type of reaction occurs in $Zn + 2HCl \rightarrow ZnCl_2 + H_2$ ?

Flashcard 9: Identify the type of reaction: $C_3H_8 + 5O_2 \rightarrow 3CO_2 + 4H_2O$ .

Flashcard 10: Identify the reaction type of $CaCO_3 \rightarrow CaO + CO_2$ .

Flashcard 13: Identify the type of reaction: $H_2 + Cl_2 \rightleftharpoons 2HCl$ .

Flashcard 14: Identify the type of reaction: $Ba(OH)_2 + H_2SO_4 \rightarrow BaSO_4 + 2H_2O$ .

Flashcard 16: Which type of reaction is $AgNO_3 + NaCl \rightarrow AgCl + NaNO_3$ ?

Flashcard 21: Identify the type of reaction: $Mg + 2HCl \rightarrow MgCl_2 + H_2$ .

Flashcard 25: Identify the reaction: $HCl + NaOH \rightarrow NaCl + H_2O$ .

Flashcard 27: Identify the type of reaction: $Fe + S \rightarrow FeS$ .

Flashcard 28: Identify the reaction type: $2H_2O \rightarrow 2H_2 + O_2$ .

Flashcard 30: Identify the type of reaction: $Cu + 2AgNO_3 \rightarrow Cu(NO_3)_2 + 2Ag$ .

Flashcard 32: Identify the type of reaction: $2Na + Cl_2 \rightarrow 2NaCl$ .

Flashcard 33: Determine the reaction type: $2KClO_3 \rightarrow 2KCl + 3O_2$ .

Flashcard 34: Which type of reaction is $2H_2 + O_2 \rightarrow 2H_2O$ ?