05b - Types of Chemical Reactions

Front

Identify this type of reaction: Al (s) + HCl (aq) → AlCl₃ (aq) + H₂ (g)

Back

Single Replacement

Front

The Law of Conservation of Mass states that the total mass of the reactants should be

Back

Equal to the mass of the products

Front

Which reaction involves ions of two compounds exchanging places to form two new compounds? Options: Synthesis, Double Displacement, Combustion, Single Displacement

Back

Double Displacement

Front

When balancing equations, the rule is that you can only add, change, and remove ____________

Back

Coefficients

Front

The following reaction is an example of what reaction type? CoCO₃ → CoO + CO₂
Options: Synthesis, Decomposition, Single Replacement, Double Replacement

Back

Decomposition

Front

The formation of water is an example of a ________ reaction because two simple substances (H and O) combine to produce a new compound (H₂O).

Back

Synthesis

Front

Which of the following is an example of synthesis? Options: Na + Br₂ --> NaBr, KClO₃ --> KCl + O₂, HgO + Cl₂-->HgCl + O₂, Cl₂ + NaBr --> NaCl + Br₂

Back

Na + Br₂ --> NaBr

Front

Which of the following is an example of decomposition? Options: Na + Br₂ --> NaBr, KClO₃ --> KCl + O₂, HgO + Cl₂-->HgCl + O₂, Cl₂ + NaBr --> NaCl + Br₂

Back

KClO₃ --> KCl + O₂

Front

At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?

Back

the mass is the same

Front

Coefficient

Back

The large number to the left of a formula.