How do real gases deviate from ideal behavior at high pressures? They condense into liquids. They follow the ideal gas law exactly They expand to fill the container. Their particles become closer together, creating intermolecular forces.

## Step 1<br />The ideal gas law is a theoretical model that assumes gases behave in a certain way under certain conditions. This model assumes that gases are composed of tiny particles that are in constant, random motion and that there are no intermolecular forces between these particles. <br /><br />## Step 2<br />However, this model does not perfectly describe the behavior of real gases, especially under high pressures. At high pressures, the particles of a gas are forced closer together, which increases the intermolecular forces between them. <br /><br />## Step 3<br />These intermolecular forces cause the gas particles to deviate from the ideal behavior, as the ideal gas law does not account for these forces. Therefore, the correct answer is "Their particles become closer together, creating intermolecular forces."