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Chemistry, 22.06.2019 08:00
Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next
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Chemistry, 22.06.2019 09:20
What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?
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Chemistry, 22.06.2019 11:30
Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?
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Chemistry, 22.06.2019 13:00
What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?
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Calculate the quantitative concentration of HCl in the solution if in the reaction of 500cm³ the sol...
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