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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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The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?
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1.65 moles of a substance is equal to how
many representative particles of that
substanc...
many representative particles of that
substanc...
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