Chemistry, 28.10.2019 07:31, teamzomaxx6584
What is the mass of a helium sample that contains 0.427 moles of he gas?
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Chemistry, 21.06.2019 14:10, coralstoner6793
Which of these will change if the air in aclosed bottle is heated? abcdthe mass of the airthe composition of the airthe air pressure in the bottlethe number of air molecules in the bottle
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What is the mass of a helium sample that contains 0.427 moles of he gas?...
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