Question detail
What determines the energy needed for a change of state in a substance?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
How bonding and structure are related to the properties of substances
Question
- A. The temperature of the substance
- B. The strength of forces between particles
- C. The size of the particles
- D. The color of the substance
Answer
The strength of forces between particles
Explanation
The energy required for a change of state is directly related to the strength of the intermolecular forces between the particles; stronger forces require more energy to overcome.
Common mistake
Energy and State Changes
Students often think that the energy needed for a change of state is the same for all substances, regardless of their properties.
Emphasize that the energy required for a change of state varies depending on the strength of the forces between the particles in the substance.
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