CH4 (g) + 2Cl2 (g) --> CH2Cl2 (g) + 2HCl (g) <span>ΔH = -205.4</span>
Density is the amount of matter within a given amount of space.
Water has a density of 1.0 gram per centimeter squared.
Mercury has a density of 13.6 grams per centimeter squared.
Thus, within the same volume, mercury has more mass than water. Thus, mercury has a higher density.
Answer:
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