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Chemistry, 22.06.2019 06:30
What effect might melting sea ice have for people who live in coastal areas?
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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 08:30
Which metal exist in liquid state and can be cut with knife ?
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Chemistry, 22.06.2019 08:30
Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?
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An expandable container of oxygen has a volume of 30.0mL at a pressure of 36.7psi. If the pressure o...
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