Question

does this diagram represent a chemical change? (be sure to answer in cer format.)

Explanation:

• Claim (C): The diagram represents a chemical change.
• Evidence (E): The diagram shows reactant molecules (a smaller group of atoms) transforming into a different product molecule (a larger group of atoms with a new arrangement). Chemical changes involve the formation of new substances, which is indicated by the rearrangement and combination of atoms into a new molecular structure.
• Reasoning (R): A chemical change occurs when the chemical composition of a substance changes, resulting in the formation of one or more new substances. The change in the arrangement and combination of atoms (from the initial molecule to the final molecule) demonstrates a rearrangement of chemical bonds, which is characteristic of a chemical reaction and thus a chemical change.

Answer:

• Claim: The diagram represents a chemical change.
• Evidence: The diagram shows a reactant molecule (smaller atom group) forming a different product molecule (larger, newly arranged atom group).
• Reasoning: Chemical changes involve new substance formation via atomic rearrangement/bond changes, as seen here.