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) Ek(40 C) < Ek(20 C) ; Ep(40 C) Ep(20 C)
B) Ek(40 C) > Ek(20 C) ; Ep(40 C) Ep(20 C)
C) Ep(40 C) < Ep(20 C) ; Ek(40 C) Ek(20 C)
D) Ep(40 C) > Ep(20 C) ; Ek(40 C) Ek(20 C)
E) Ep(40 C) > Ep(20 C) ; Ek(40 C) > Ek(20 C)
Correct Answer:
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