Question

A 100 mL graduated cylinder is filled to 25.0 mL with water andplaced on a balance. The balance reads 43.7 grams. An irregularlyshaped metal object of unknown composition is placed in thegraduated cylinder and the water rises to 32.3mL. The scale nowreads 126.9 grams.

what is the density?

2) what effects does stirring have on super cooling? does it causeit or prevent it?

3) What does the melting point and freezing point of glacial aceticacid have in common?

4) when a substance melts, is energy being added or removed? when asubstance freezes, is energy being added or removed?

5) when the solid and liquid phases are present togethersimultaneously, which phase, solid or liquid, contains the greateramount of energy? in which phase are the molecules movingfaster?