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Which electron configuration represents the electrons in an atom of sodium in the ground state at stp
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8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
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How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.
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True or false elliptical galaxies form a perfect sphere or an ellipse....
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