Which statement describes the energy transfer that occurs when a sample of copper at 100.°C is placed in a sample of water at 20.°C?
- Mayya Alocci
- Jun 22
- 1 min read
Regents Chemistry Exam January 2025 Question 40
40 Which statement describes the energy transfer that occurs when a sample of copper at 100.°C is placed in a sample of water at 20.°C?
(1) Thermal energy is transferred from the copper to the water.
(2) Thermal energy is transferred from the water to the copper.
(3) Chemical energy is transferred from the copper to the water.
(4) Chemical energy is transferred from the water to the copper.
Solution:
Heat is always transferred from the hotter object to the cooler object. Thermal energy is transferred from copper to the water. Choice 1 is the correct answer.
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