What is the relationship between the polarity of a substance and the energy required to change its temperature?
Understand the Problem
The question is asking about the connection between the polarity of a substance and the amount of energy needed to change its temperature. It presents multiple choice answers to explore this relationship.
Answer
Polarity increases a substance's heat capacity, requiring more energy for temperature change.
Polarity increases a substance's heat capacity, requiring more energy for temperature change.
Answer for screen readers
Polarity increases a substance's heat capacity, requiring more energy for temperature change.
More Information
Polarity leads to stronger intermolecular forces, like hydrogen bonding, which increase a substance's heat capacity. This means it requires more energy to change the temperature of polar substances, as they can absorb more heat without a temperature change.
Tips
Confusing specific heat capacity and thermal conductivity can lead to inaccuracies. Remember that polarity primarily affects specific heat capacity due to hydrogen bonding.
Sources
- Water's Influence on Temperature - ces.fau.edu
- How does the polarity of water affect heat capacity? - homework.study.com
- Specific heat, heat of vaporization, and density of water - khanacademy.org
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