Change of State: Transforming Liquid Water into Gas

What is change of state?

Change of state is the characteristics of matter that shows its ability to transform from one state to another such as from liquid to gas; water to water vapor.

Explanation:

To understand the concept of change of state, we need to look at how matter can transform from one state to another. In this case, we are focusing on the transformation of liquid water into gas, specifically water vapor.

When we talk about the change of state, we are referring to the physical change in the characteristics of matter. Matter can exist in different states - solid, liquid, gas, and even plasma. These states are determined by the arrangement of particles and their energy levels within the matter.

In the case of water, when it is in its liquid state, the particles are closely packed together but still have some freedom of movement. As we increase the temperature of the water, the particles gain more kinetic energy and start moving faster. Eventually, when the water reaches its boiling point, the kinetic energy overcomes the attractive forces between the particles, and the water molecules escape into the air as water vapor.

This process of transforming liquid water into gas by increasing its temperature is known as boiling. Boiling is a phase transition from a liquid to a gas that occurs when the vapor pressure of the liquid equals the ambient pressure surrounding the liquid. It is a result of the input of energy, usually in the form of heat, to the liquid.

So, the change of state in this case involves the transformation of liquid water into gas (water vapor) through the process of boiling, which requires an increase in temperature.