Cork has a density of about 0.60 g/cm3. Cork will partially float in water which has a density of 1.0 g/cm3. If the piece of cork has a total volume of 4.0 cm3 what volume of cork is ABOVE the water?

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

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

Which factor is likely to impact the possible number of compounds ?