Robert leaves a chocolate bar in his car while attending school all day. When he goes to his car in the afternoon, the bar has changed into a gooey liquid. Which statement BEST explains what happened to Robert's chocolate bar? A) The energy from the sun caused the chocolate to melt. B) The chocolate in the bar spread out due to entropy loss. C) The energy holding the solid bar together was lost over time and it became liquid. D) The liquid was the original state of the chocolate and over time it returned to this state.

Question

Williams

Biology

Today, 16:37

Robert leaves a chocolate bar in his car while attending school all day. When he goes to his car in the afternoon, the bar has changed into a gooey liquid. Which statement BEST explains what happened to Robert's chocolate bar? A) The energy from the sun caused the chocolate to melt. B) The chocolate in the bar spread out due to entropy loss. C) The energy holding the solid bar together was lost over time and it became liquid. D) The liquid was the original state of the chocolate and over time it returned to this state.

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Answers (2)

Know the Answer?

Caleb Tate · Answer 1

A) The energy from the sun caused the chocolate to melt

Chanel Hinton · Answer 2

A) The energy from the sun caused the chocolate to melt.

Explanation:

The energy from the sun caused the chocolate to melt. This is a phase change from solid to liquid. This phase change would require an input of energy to the system, in this case, from the sun.