Types of Reactions & predicting Products

Provide an example of a double replacement reaction.

• AgNO₃ + NaCl → AgCl + NaNO₃

• HCl + NaOH → NaCl + H₂O

• CaCl₂ + Na₂CO₃ → CaCO₃ + 2NaCl

• KBr + AgNO₃ → AgBr + KNO₃

What is the mole ratio in a balanced chemical equation?

• The mole ratio is the ratio of the amounts in moles of any two compounds involved in a chemical reaction, as indicated by the coefficients in the balanced equation.

• The mole ratio is the total number of moles of all reactants in a reaction.

• The mole ratio is the ratio of the mass of reactants to products in a chemical reaction.

• The mole ratio is the ratio of the number of molecules of reactants to products in a chemical reaction.

What is a reactant?

• A substance that is produced in a chemical reaction.

• A substance that undergoes a chemical change in a reaction, typically found on the left side of a chemical equation.

• A catalyst that speeds up a chemical reaction.

• A byproduct that is formed after a chemical reaction.

What is a decomposition reaction?

• A reaction where two or more compounds combine to form a single product.

• A reaction where a single compound breaks down into two or more simpler products.

• A reaction that involves the transfer of electrons between two species.

• A reaction that occurs only in the presence of a catalyst.

What is a combustion reaction?

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

• A reaction that involves the breaking down of a substance into simpler substances.

• A reaction that occurs when two or more substances combine to form a new substance.

• A reaction that absorbs energy from its surroundings.

How do you balance a chemical equation?

• By changing the chemical formulas of the reactants and products.

• By adjusting the coefficients of the reactants and products to ensure that the number of atoms for each element is the same on both sides of the equation.

• By adding or removing elements from the equation.

• By using a calculator to determine the correct ratios.

What is a double replacement reaction?

• A reaction where two compounds exchange ions to form two new compounds.

• A reaction that involves the breaking of chemical bonds without any exchange of ions.

• A reaction where one compound is oxidized and another is reduced.

• A reaction that occurs only in gaseous states.

What is a single replacement reaction?

• A reaction where two compounds exchange elements.

• A reaction where one element replaces another element in a compound.

• A reaction that involves the combination of two elements to form a compound.

• A reaction that breaks down a compound into its individual elements.

Provide an example of a synthesis reaction.

• 2H₂ + O₂ → 2H₂O

• H₂ + Cl₂ → 2HCl

• C + O₂ → CO₂

• N₂ + 3H₂ → 2NH₃

Provide an example of a decomposition reaction.

• 2H₂O → 2H₂ + O₂

• H₂ + O₂ → 2H₂O

• C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

• NaCl → Na + Cl₂