How does a gas differ from a liquid with respect to the following property:

Ability to mix with other substances of the same phase to form homogeneous mixtures

Gases form homogeneous mixtures with each other regardless of the identities or relative proportions of the component gases.

But what about liquids? All I can gather is that they can form solutions with other liquids.

A solution is a homogenous mixture, same words as you did on the gases.

To understand how gases differ from liquids in terms of their ability to mix with other substances, let's break it down:

1. Gases: Gases have a high degree of molecular motion and their particles are not strongly attracted to each other. This allows them to easily mix and disperse throughout a container, forming homogeneous mixtures. Regardless of the identities or relative proportions of the component gases, they will blend together evenly. This behavior is governed by the kinetic theory of gases.

2. Liquids: Liquids, unlike gases, have a lower degree of molecular motion and their particles are attracted to each other. While liquids can also mix with other substances, the mixing behavior is different from gases. Liquids can form homogeneous mixtures called solutions with other liquids when they have similar chemical properties and dissolve in one another. This mixing is possible due to the similar intermolecular forces between the liquid molecules, allowing them to form a uniform composition.

In summary, gases can mix with other gases to form homogeneous mixtures due to their high molecular motion and weak intermolecular forces, while liquids can also mix with other liquids to form solutions but are governed by stronger intermolecular forces. However, it's important to note that there are other factors, such as temperature and pressure, that can influence the behavior of both gases and liquids when it comes to mixing with other substances.