SAT Subject Physics Practice Question 420: Answer and Explanation

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Question: 420

11. 41. The first law of thermodynamics is a restatement of

A. Guy-Lassac's Law.
B. the principle of entropy.
C. the principle of enthalpy.
D. conservation of energy.
E. Avogadro's hypothesis.

Correct Answer: D

Explanation:

The correct answer is (D). The first law of thermodynamics can be stated as:

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