How many liters of Cl, gas will be needed to produce 6.50 g of NaCl(s) in the reaction: 2Na (s) + CI, (g) → 2NaCl (s) *

In a water molecule, hydrogen and oxygen are held together by a(an) bond. a) double covalent b) ionic c) nonpolar covalent d) hydrogen e) polar covalent

State one important difference between a physical change and a chemical change?

Now look at the segment of the graph between the two data points marked with black squares. describe how the boiling point and melting point plots behave between these points. be as specific as possible.