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Chemistry, 23.06.2019 00:40
To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. a chemical engineer places a mixture of noble gases consisting of 4.37 g of he, 13.36 g of ne, and 36.65 g of kr in a piston-cylinder assembly at stp. calculate the partial pressure in torr of kr.
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Chemistry, 23.06.2019 08:00
Pl what kind of reaction is this? nahco3 + h2o β co2 + naoh + h2o -composition -decomposition -single replacement -double replacement im leaning more toward single replacement. if im wrong can you explain whyy?
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Chemistry, 23.06.2019 09:20
Four statements about the development of the atomic model are shown below. a: electrons have wavelike properties. b: atoms have small, negatively charged particles. c. the center of an atom is a small, dense nucleus. d: atoms are hard, indivisible spheres. which order of statements represents the historical development of the atomic model? c-d-a-b c-d-b-a dβ Π²-Π° β Ρ d-b-c-a
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English, 13.02.2020 19:52
Mathematics, 13.02.2020 19:52
Health, 13.02.2020 19:52
English, 13.02.2020 19:52
Mathematics, 13.02.2020 19:52