Which statement about van der waals forces is true?
here are the options:
a: when the forces are weaker, a substance will have higher volatility.
b: when the forces are stronger, a substance will have lower viscosity.
c: when the forces are weaker, the boiling point of a substance will be higher.
d: when the forces are stronger, the melting point of a substance will be lower.

Asmall, positively charged ball is moved close to a large, positively charged ball. which describes how the small ball likely responds when it is released? it will move toward the large ball because like charges repel. it will move toward the large ball because like charges attract. it will move away from the large ball because like charges repel. it will move away from the large ball because like charges attract.

An object's buoyant force and weight mean the same thing. a. trueb. false

Brutus, the dog, is pulling a bone to the left with a force of 20 n. lassie, another dog, is pulling a bone to the right with a force of 18n. what is the net force? a. b. c.