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A hydrogen storage tank holds 1.75 x 10^23 molecules of gas. What is the volume of the tank if the gas is stored at standard temperature and pressure?
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Which statement describes both homogeneous mixtures and heterogeneous mixtures?
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An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.
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A hydrogen storage tank holds 1.75 x 10^23 molecules of gas. What is the volume of the tank if the g...
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