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How much energy is required to get a hydrogen atom to excite to n = 5?
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Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.
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Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?
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How much energy is required to get a hydrogen atom to excite to n = 5?...
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