The denser an object, the more compact it is. The table below shows the mass and volume of two different objects. Comparison of Liquids
Liquid Mass (g) Volume
(cm3)
X 72 12
Y 63 9

Which of the two objects is more compact?
Object X is more compact.
Object Y is more compact.
Both objects are equally compact.
This cannot be determined.

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

Which material burns faster? metal aluminum

Heat is the total potential energy of a substance that can be transferred. true false