Question

explain the differences between the two methods. drag the appropriate items to their respective bins.
by the type of chemistry occurring during the reaction
acid - base reactions
gas evolution reactions
double - displacement
precipitation reactions
by studying what happens to atoms during the reaction
combustion reactions
oxidation - reduction reactions
single - displacement
decomposition
synthesis or combination
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Explanation:

To solve this, we analyze the two methods of classifying chemical reactions:

1. "By the type of chemistry occurring during the reaction" (focuses on observable changes or reaction types based on products/processes):

• Acid - base reactions (involve proton transfer, observable as neutralization, etc.).
• Double - displacement reactions (ions exchange partners, e.g., \(AB + CD

ightarrow AD + CB\)).

• Precipitation reactions (form a solid precipitate, observable).
• Gas evolution reactions (produce a gas, observable).

1. "By studying what happens to atoms during the reaction" (focuses on electron/atom transfer, oxidation states, or fundamental reaction types):

• Oxidation - reduction reactions (involve electron transfer, change in oxidation states).
• Combustion reactions (a type of redox reaction, fuel + \(O_2\) → \(CO_2 + H_2O\) usually).
• Single - displacement reactions (one element displaces another, involves redox, e.g., \(A + BC

ightarrow AC + B\)).

• Decomposition (a compound breaks down, can be redox or not, e.g., \(AB

ightarrow A + B\)).

• Synthesis or combination (elements/compounds combine, e.g., \(A + B

ightarrow AB\), can be redox).

Answer:

Bin 1: "By the type of chemistry occurring during the reaction"

• acid - base reactions
• double - displacement
• precipitation reactions
• gas evolution reactions

Bin 2: "By studying what happens to atoms during the reaction"

• oxidation - reduction reactions
• combustion reactions
• single - displacement
• decomposition
• synthesis or combination