Chemistry, 04.12.2020 14:00 Lesquirrel
The atomic number of an element is 15. What is the likely arrangement of the valence and core electrons in a neutral atom of this element?
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Chemistry, 22.06.2019 13:30
If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion
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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; Ī“hvaporization = 3.67 j/mol; Ī“hfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. ā12.4 j ā3.51 x 102 j 1.24 x 101 j 351 j
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Chemistry, 22.06.2019 22:30
Calculate the concentration of all species in a 0.165 m solution of h2co3.
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Chemistry, 22.06.2019 22:30
What methods could you use to solubilize calcium carbonate
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The atomic number of an element is 15. What is the likely arrangement of the valence and core electr...
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