Chemistry, 06.12.2021 01:30 deaishaajennings123
astronomers observe several distant superclusters moving away from earth. explain how they can use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate
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Chemistry, 22.06.2019 10:50, lejeanjamespete1
8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm
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astronomers observe several distant superclusters moving away from earth. explain how they can use s...
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