The molecules n-Pentane and Neopentane are shown below: Both of these molecules have the same molecular formula (C5H12), but n-Pentane has a higher boiling point.  Which statement below best describes why n-Pentane has the higher boiling point?

Consider the phase diagram below for the noble gas, neon: According to this diagram, what physical change will occur when solid Ne at a pressure of 0.01 atm is heated to a temperature of 40 K?

What are the two thermodynamic driving forces for solubility?

Arrange the following substances in order of increasing solubility in water:

Which of the following diatomic gases is expected to show the largest deviation from Ideal Gas behavior?

What is the name of the attractive force represented by the dotted lines in the figure below?

Elemental iodine (I2) is a solid at room temperature. What is the major attractive force that exists between different I2 molecules in the solid?

Which of these attractive forces is the strongest?

Which of the following molecules does not have dipole-dipole interactions?

What is the pressure of a 6.022 g sample of CH4 gas that is stored in a 30.0 L container at 402 K?