Chemistry, 26.03.2021 18:00, lineaeriksen
6. Gas-x effuses at a rate of 5.7 mol in 38.0 seconds. Through the same opening, it takes 22 s for 142 g of Cl2 to effuse. What is the molar mass of gas-x?
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13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.
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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 dā Š²-Š° ā Ń d-b-c-a
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6. Gas-x effuses at a rate of 5.7 mol in 38.0 seconds. Through the same opening, it takes 22 s
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