Flashcards in Checkpoint 5 Deck (18)
What gives rise to intermolecular forces?
Polarity and shape
Attractive forces between molecules
How do you break intermolecular forces?
Pulling molecules apart
Attractive forces within the molecule
How do you break intramolecular forces?
Forces between polar molecules
Strongest intermolecular force
What 3 elements must be present for a H-bond?
Forces that are present in all molecules
What makes for stronger London forces?
Size, more electrons
What makes dipole-dipole forces stronger?
Energy changes to a system can produce changes in...
Amount of energy required to melt 1 gram of a sample
Heat of fusion
Corresponding amount of energy required to boil 1 gram of a sample
Heat of vaporization
Energy required to increase the temperature of 1 gram of a substance by 1 C; how quickly or slowly a substance heats or cools
What bonds are soluble?
h-bonds, ionic, more oxygen, polar
What bonds are insoluble?