To what energy level does the electron move
The electron in the n = 5 level of a hydrogen atom emits a photon with a wavelength of 1280 nm. To what energy level does the electron move?
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In an experiment, a piece of copper is weighed 40.0 g and allowed to react with oxygen. {rm 2Cu}(s) + {rm O_2}(g) to {rm 2CuO}(s) How many grams of {rm CuO} could be produced according to the equation?
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What volume of pure oxygen gas (O2) measured at 546 K and 1.00 atm is formed by complete dissociation of 0.7 mol of Ag2O?
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