(1 kg = 1000 g, 1 m3 = 106 cm3) acetone is a flammable solvent used in the making of plastics. the density of acetone is 790 kg/m3. to convert 790 kg/m3 to g/cm3, 1,000 and 106. these operations reveal that the density of acetone in g/cm3 is .

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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