If an ice cube melts at 0°c but water also freezes at 0°c, what is the difference between melting and
freezing in terms
8. the energy involved in the phase changes and
9. the motion of the particles of the substances during the phase changes?

Acetic acid, hc2h3o2, dissolves and completely dissociates in water and a solvation sphere of water molecules forms around the ions. this solute-solvent interaction

Identify and describe the three ways that mutations affect organisms.

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.