Use the changes in oxidation numbers to determine which elements are oxidized and which are reduced in these reactions. ( note: it is not necessary to use balanced equations. a. C + H2SO4 —->
CO2 + SO2 + H2O
b. HNO3 + HI —-> NO + I2 + H2O
c. KMnO4 + HCl —-> MnCl2 + Cl2 + H2O + KCl
d. Sb + HNO3 —-> Sb2O3 + NO + H2O

Please help me this is due tonight and I can’t figure it out

intermolecular forces are the forces between molecules or particles.

there are two kinds of van der waals forces: weak london dispersion forces and stronger dipole-dipole forces.

in molecule of water there are dipole-dipole forces between negatively charged oxygen from one molecule of water and positively charger hydrogen of another molecule of water.

hydrogen bond is an electrostatic attraction between two polar groups that occurs when a hydrogen atom (h), covalently bound to a highly electronegative atom such as flourine (f), oxygen (o) and nitrogen (n) atoms.