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A 100-G Sample of a Certain Substance Undergoes a Transformation J\mathrm{J}

Question 162

Multiple Choice

A 100-g sample of a certain substance undergoes a transformation of some kind that releases 20,000 J\mathrm{J} of energy. What kind of transformation is this likely to be?


A) A temperature change
B) A phase change
C) A chemical reaction
D) A nuclear reaction
E) It is impossible to guess.

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