Which of the following is true about kinetic energy, Ek, and potential energy, Ep, when ethyl alcohol at 40°C is compared with ethyl alcohol at 20°C?
A) E k(40°C) < E k(20°C) ; E p(40°C) ≈ E p(20°C)
B) E k(40°C) > E k(20°C) ; E p(40°C) ≈ E p(20°C)
C) E p(40°C) < E p(20°C) ; E k(40°C) ≈ E k(20°C)
D) E p(40°C) > E p(20°C) ; E k(40°C) ≈ E k(20°C)
E) E p(40°C) > E p(20°C) ; E k(40°C) > E k(20°C)
Correct Answer:
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