Answer:
Dipole-dipole interactions : occur between polar molecules
Dipole-induced dipole interactions: occur between polar and nonpolar molecules
London dispersion forces: occur in all substances, but are the most important in nonpolar substances
Hydrogen bond: electrostactic attraction between a hydrogen atom and a highly electronegative atom
van der Waals forces: electrostatic interactions between partially charged regions of a molecule
Mass percentage of sodium chloride(NaCl) in ocean waters = 3.5 %
That means 3.5 g sodium chloride(NaCl) is present for every 100 g of ocean water.
The given mass of sodium chloride(NaCl) is 45.8 g
Calculating the mass of ocean waters that would contain 45.8 g sodium chloride(NaCl):
= 1309 g ocean water
Therefore, 45.8 g sodium chloride is present in 1309 g ocean water.
Car D
Because it is the heaviest. Kinetic energy is directly proportional to the velocity and mass of the object. All the cars have the same velocity. But Car D has the most mass. So, it has most kinetic energy, because more the mass more the energy.
The answer is the boiling point because when you want to change the liquid into a gas you should boil it :)))
i hope this is helpful
have a nice day
