Chemistry, 14.06.2021 21:10 daviddorley
Consider an atom that has an electron in an excited state. The electron falls to a lower energy level. What effect does that have on the electron?
A. The electron releases energy in the form of light.
B. The electron absorbs energy in the form of light.
C. The electron retains its energy without any change.
D. The electron transfers its energy to other electrons.
Answers: 3
Chemistry, 21.06.2019 18:30
Calculate the change in entropy if br2(l) is converted to br2(g). s° for br2(l) = 152.2 j/(mol•k) s° for br2(g) = 245.5 j/(mol•k) s° for br(g) = 175.0 j/(mol•k)
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Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?
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Which of the following is a possible formula unit? (2 points) select one: a. pbo b. li2b c. al2pb3 d. clo
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Consider an atom that has an electron in an excited state. The electron falls to a lower energy leve...
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