Multiple Choice
When energy is added to liquid water, what do you expect will happen to the water molecules?
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8. Thermochemistry
Nature of Energy
Multiple Choice
Which statement about energy is true?
A
Energy is always lost during chemical reactions and cannot be recovered.
B
Kinetic energy is stored in chemical bonds.
C
Potential energy is the energy of motion.
D
Energy can be converted from one form to another but cannot be created or destroyed.
Verified step by step guidance1
Understand the Law of Conservation of Energy, which states that energy cannot be created or destroyed, only converted from one form to another.
Recognize that chemical reactions involve changes in energy, but the total energy remains constant; it is not lost but transformed.
Identify that kinetic energy is the energy of motion, not stored in chemical bonds; chemical bonds store potential energy.
Recall that potential energy is stored energy based on position or arrangement, such as in chemical bonds, not energy of motion.
Conclude that the true statement is that energy can be converted from one form to another but cannot be created or destroyed.
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