The phase of matter of a substance is determined by: a. chemical bonds.
b. the strong force.
c. intermolecular forces
d. nuclear interaction.

What are the similarities of physical and chemical change ?

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.

Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.