Question

PART 1

Diethyl ether has a particularly low surface tension. This is due to the dominant intermolecular forces between diethyl ether molecules being:

Question options:

Dipole-dipole interactions

Hydrogen bonding.

Dispersion forces

Metallic bonding

PART 2

A solid sample is at a higher pressure and lower temperature then the triple point. What happens when the sample is heated at constant pressure?

Question options:

Either the solid melts or the solid remains solid can happen, depending upon how much the solid is heated.

The solid melts.

The solid sublimes.

The solid remains solid.

None of these can happen.