Examples of potential energy include
A) chemical bonds and concentration gradients.
B) light and chemical bonds.
C) quartz crystals vibrating in a wristwatch.
D) soil heated by sunlight.
E) light and the motion of a muscle.
Correct Answer:
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Q10: Oxidation is
A) the gain of oxygen by
Q11: The chemical formula for glucose is
A) C₆H₆O₆.
B)
Q12: Enzymes speed up reactions by lowering the
Q13: Oxidation-reduction reactions
A) transfer electrons from one molecule
Q14: The energy source that powers photosynthesis is
A)
Q16: The amount of energy required to raise
Q17: Which statement is not directly connected with
Q18: Reduction is
A) the gain of oxygen by
Q19: Entropy is a measurement of
A) order.
B) complexity.
C)
Q20: Redox reactions involve the loss of an
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