Refer to the Oxidation-Reduction Reaction Below

question 119

Multiple Choice

Refer to the oxidation-reduction reaction below.
Fe + Cu²⁺  Cu + Fe²⁺
This reaction occurs spontaneously when a strip of iron metal is placed into a solution of copper sulfate dissolved in water.During the reaction, iron metal is oxidized to form a cation, and copper ion is reduced to form copper metal.Which statement describes the change taking place?

• A) The change is not a chemical change because no covalent bonds were broken and new ones formed.
• B) The change is not a chemical change because there were too few elements involved.
• C) The change is a chemical change because the products differ chemically from the reactants.
• D) The change is a chemical change because it occurred spontaneously.
• E) The change is a chemical change because there was no overall change in mass.

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Definitions:

A-B-C Analysis

The process of keeping a log of the antecedents, behavior, and consequences for a particular student in order to pinpoint a problem and the circumstances that elicit and maintain it.

Reinforcement

The process of encouraging or establishing a pattern of behavior by offering rewards or positive outcomes.

Punishment

A concept in behavioral psychology where an unpleasant consequence follows a behavior, with the aim of decreasing or stopping that behavior.

Subjective Terms

Concepts or descriptors that are influenced by personal feelings, opinions, or experiences, lacking objective or universally accepted standards.