Answer:

1. A homogeneous mixture has the same uniform appearance and composition throughout. Many homogeneous mixtures are commonly referred to as solutions. A heterogeneous mixture consists of visibly different substances or phrases. The three phrases or states of matter are gas, liquid, and solid.

2. For example, liquid ethanol can be separated from a mixture of ethanol and water by fractional distillation. This method works because the liquids in the mixture have different boiling points. When the mixture is heated, one liquid evaporates before the other.

3.)When 50 milliliters of water are added to 50 milliliters of alcohol, the volume of the two mixed together is only about 96 or 97 milliliters. When mixed together, the combined molecules fit together better than when they are alone, so they take up less space. Water and ethanol mix to form a solution.

4.)The mixture of the two liquids take up less volume than the two liquids did separately. Explanation: ... Because the molecules of the two liquids are different sizes, their resulting intermolecular lattice can be better arranged to conserve more space.

Explanation: