Normal melting point: 658 c normal boiling point: 2467 c heat of fusion: 3.95 kj/g heat of vaporization: 10.52 kj/g specific heat of solid: 0.902 j/g c how much energy must be applied to 12 moles of solid aluminum at 72 c to a liquid at 658 c?

Explanation:

The amount of heat required to melt the aluminium is the sum of latent and sensible heats:

increased stability in the completion of fluorine's outer shell.

the best answer is d because the strong cohesion is caused by the ability of water molecules to undergo hydrogen bonding.

a is incorrect because when water solidifies, it becomes   ice, which expands and occupies a bigger volume for the same mass of water in its liquid state.

b is incorrect because water has high surface tension. besides bonding to itself it hydrogen bonds to other molecules at the top decreasing possibility for breaking of attractive forces.

c is incorrect because the water molecule has oxygen which is highly electronegative and so pulls the electron pair towards itself creating a dipole moment, making the molecule polar.

e is incorrect because water has strong adhesion, ability to stick to other molecules such as glass because of this molecules having stronger hydrogen bonding than water.