Heat Transfer by Conduction in Liquids and Gases
Conduction is a mode of heat transfer that occurs in solids, liquids, and gases. In liquids and gases, heat is primarily transferred by conduction through the random motion of molecules. Let's delve into the details of how heat is transferred by conduction in liquids and gases.

Random Motion of Molecules
In liquids and gases, heat is transferred by conduction through the random motion of molecules. When heat is applied to a liquid or gas, the molecules gain kinetic energy and start moving faster. This increased motion causes collisions between molecules, leading to the transfer of heat energy from one molecule to another.

Collisions and Energy Transfer
As molecules in a liquid or gas collide with each other, they transfer energy in the form of heat. This transfer of energy continues until a state of thermal equilibrium is reached, where the temperature is uniform throughout the medium. The rate of heat transfer by conduction in liquids and gases depends on factors such as the temperature difference, the material properties, and the distance over which heat is being transferred.

Importance of Conduction in Liquids and Gases
Conduction is an essential mode of heat transfer in liquids and gases as it helps in distributing heat uniformly throughout the medium. In processes such as convection, where heat is transferred through the movement of fluid particles, conduction plays a crucial role in initiating the flow of heat. Understanding the mechanism of heat transfer by conduction in liquids and gases is vital for various applications in industries, meteorology, and everyday life.

In liquids and gases heat is transferred by convection..