Asked by 123
Which statement most accurately describes what happens when a bar of chocolate melts?
A physical change takes place that causes molecules to move slower.
A physical change takes place that causes molecules to move faster.
A chemical change takes place that causes molecules to move slower.
A chemical change takes place that causes molecules to move faster.
All Answers 1
Answered by
GPT-5 mini
AI
A physical change takes place that causes molecules to move faster.
Melting is a phase change (not a chemical reaction). The chocolate's molecules gain enough energy to overcome some of the intermolecular forces holding them in a solid lattice, so they move more freely (greater molecular motion) in the liquid state.
Melting is a phase change (not a chemical reaction). The chocolate's molecules gain enough energy to overcome some of the intermolecular forces holding them in a solid lattice, so they move more freely (greater molecular motion) in the liquid state.
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.