egg has more water molecules than vinegar so when egg is placed in vinegar water molecules move from the egg to the vinegar due to osmosis,which is defined as "the movement of water molecules from higher concentration to lower concentration thru a partially permeable membrane"
there fore the water molecules move inward. The proof is that the egg got larger and this was because water moved into the egg after the shell disintegrated from the 5% of acid in the vinegar. (the other 95% is water)
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The egg was larger after remaining in water. Water has a lower concentration of solute molecules than the vinegar. Therefore, more water diffused to an area of higher concentration of solute particles.
You get diluted vinegar. Most vinegar sold today is already diluted with water, so any dissociation of the acetic acid molecules has already occurred before you get it.
When sugar is placed in water, it dissolves to form a sugar solution. The sugar molecules break apart and mix with the water molecules, resulting in a homogeneous mixture.
The water disappears from an open container placed in the sun due to evaporation. The sun's heat causes the water molecules to gain energy and change from liquid to vapor, rising into the air and becoming part of the atmosphere. This process continues until all the water has evaporated.
Wax has a lower melting point than boiling water, so when placed in boiling water, the heat from the water causes the wax to melt. The molecules in the wax absorb the heat energy from the water, which ultimately leads to the wax melting.