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Chemistry, 22.06.2019 10:50
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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Chemistry, 22.06.2019 21:00
What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays
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Chemistry, 23.06.2019 06:30
Acompound has the molecular formula c3h8. which class of organic compounds does it belong to?
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Draw the enantiomer of each molecule....
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