Apart from boiling point and flammability, what other quality does the size of the molecules in hydrocarbons affect?

What is i fracture in the crust called when land move up, down or sideways

The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.

In the reaction between a crushed antacid tablet and vinegar what gas is emitted