Observe the net above (srry i cant show the picture). It is made out of a strong, man-made nylon cord. It is tough and long-lasting because it is made from a type of polymer. What does this mean? a. there are cubic molecules throughout the cord
b. there are chains of repeating molecules throughout the cord
c. there are only 4 elements in this cord that will give it strength
d. there are many heterogeneous mixture in this cord that make it stronger

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space

You just calculated that the heat of fusion for chloromethane is 6400 j/mol. the heat of fusion for hydrogen is 120 j/mol.? which of the following account for this difference? more than one correcta. chloromethane can absorb more energy at the same temperature. b. hydrogen has stronger intermolecular forces than chloromethane. c. hydrogen molecules can pack more closely than chloromethane molecules. d. chloromethane experiences dipole-dipole interactions. e. chloromethane has a higher molar mass than hydrogen.