Help me with chemistry! I got this answer wrong , what would be the right one?
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Chemistry, 27.05.2021 02:50 coopera1744
Help me with chemistry! I got this answer wrong , what would be the right one?
Answers: 3
Chemistry, 21.06.2019 22:30
How many moles are in 250 grams of tungsten (w)? * 4.4x10^23 moles 4.2x10^23 moles 0.7 moles 1.4 moles
Answers: 3
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
Answers: 1
Chemistry, 22.06.2019 18:00
What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; Ξ΄hvaporization = 3.67 j/mol; Ξ΄hfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. β12.4 j β3.51 x 102 j 1.24 x 101 j 351 j
Answers: 1
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