Ice floats on water. for most other substances, however, the solid sinks in the liquid. classify each of these statements based on whether they describe water or most other substances. a. in a phase diagram the solid-liquid coexistance line has a negative slope. b. in a phase diagram the solid-liquid coexistance line has a positive slope. c. the solid is more dense than the liquid. d. the solid is less dense than the liquid. e. the molecules are closest in the solid phase. f. the molecules are closest in the liquid phase. g. high pressure will cause the solid to become liquid. h. high pressure will cause the solid to become liquid.

True for water: a. In a phase diagram the solid-liquid coexistance line has a negative slope. d. the solid is less dense than the liquid. f. the molecules are closest in the liquid phase. g. Higher pressure will cause the solid to become liquid.

True for most other substances: b. In the phase diagram the solid-liquid coexistance line has a positive slope. c. the solid is more dense than the liquid. e. the molecules are closest in the solid phase. h. higher pressure will cause the liquid to become solid.

Explanation:

Liquid water is usually more dense than the solid ice. This is in contrast to most other substances. In addition, the phase diagram of liquid water is different from those of other substances because of the signs of their slopes. The presence of high pressure can change ice to liquid water while for other substances the presence of high pressure will change liquid to solid.

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