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Which of the following statements is not correct?

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No energy can be destroyed.

No energy can be created.

Energy cannot be converted.

An open system's energy can be changed.

answer is D.

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Detailed Solution

Energy is the ability to perform tasks. It can be potential, kinetic, thermal, electrical, chemical, nuclear, or other.

The statement "Energy cannot be converted" is wrong because energy cannot be created or destroyed, according to the rule of conservation of energy; it can only be transformed from one form to another.

Because of continual matter and radiation exchanges with the surrounding, energy in an open system can vary.

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