answersLogoWhite

0

When heat is transferred by conduction, molecules in a substance or material interact in a specific way to transfer thermal energy from a region of higher temperature to a region of lower temperature. Here's what happens at the molecular level during heat conduction:

  1. **Vibration and Kinetic Energy:** In a substance, molecules are constantly in motion due to their thermal energy, which is often referred to as kinetic energy. They vibrate, rotate, and move randomly.

  2. **Hotter to Cooler:** When two regions of the substance are at different temperatures, such as a hotter region in contact with a cooler region, the molecules in the hotter region have higher kinetic energy compared to those in the cooler region.

  3. **Collision and Energy Transfer:** Molecules with higher kinetic energy in the hotter region collide with neighboring molecules. During these collisions, they transfer some of their kinetic energy to the cooler, less energetic molecules. This transfer of energy occurs through direct interactions between neighboring molecules.

  4. **Equilibrium:** Over time, as more collisions and interactions take place, the kinetic energy is transferred from the hotter region to the cooler region. This continues until thermal equilibrium is reached, where the temperatures of both regions become equal, and there is no net heat flow between them.

Conduction is most effective in materials that are good conductors, such as metals, as they have highly mobile electrons that can facilitate the transfer of kinetic energy. Insulators, on the other hand, do not conduct heat as effectively because their molecules are less mobile and have fewer free electrons.

In summary, during heat conduction, the molecules in a substance transfer kinetic energy from faster-moving, hotter molecules to slower-moving, cooler molecules through direct collisions, leading to a flow of thermal energy from the hot region to the cold region until thermal equilibrium is reached.

User Avatar

timroj77

Lvl 3
1y ago

What else can I help you with?

Related Questions

Is heat transferred through thermal conduction?

Heat is transferred through contact between molecules.


How is conduction heat transferd?

In conduction, the molecules vibrate. During the process the heated molecule transfers the heat to the neighboring molecules and those to the others. In this way the heat is transferred.


Can you provide an example of conduction and explain how heat is transferred through this process?

An example of conduction is when you touch a hot pan on the stove. Heat is transferred through conduction as the molecules in the pan vibrate and collide with the molecules in your hand, transferring heat energy from the pan to your hand.


When two objects are in contact what is heat best transferred by?

When two objects are in contact, heat is best transferred by conduction, which occurs through direct contact between the molecules of the two objects. Heat is transferred as the molecules vibrate and collide with each other, increasing the energy transfer between the objects.


What is it called when heat is transferred through a substance by the direct contact of molecules?

Conduction is the process by which heat is transferred through direct contact between adjacent molecules in a substance.


In which way does heat travel?

Heat can travel through conduction, convection, and radiation. In conduction, heat is transferred through direct contact of molecules. In convection, heat is transferred through the movement of fluids such as air or water. In radiation, heat is transferred through electromagnetic waves.


What is the transfer of heat by physical contact?

The transfer of heat by physical contact is called conduction. Heat is transferred from a higher temperature object to a lower temperature object when they are in direct contact with each other. Conduction occurs as the vibrational energy of the molecules in the hotter object is transferred to the molecules in the colder object.


What happen for heat to be transferred by thermal conduction?

Two molecules must collide with each other.


If you touch a hot metal spoon you experience heat transferred by what?

You experience heat transferred through conduction when you touch a hot metal spoon. The heat from the spoon is transferred to your hand as the metal molecules vibrate and collide with your skin, causing it to warm up quickly.


In conduction how is heat transferred?

In conduction, heat is transferred through a material by vibrating atoms and molecules passing on energy to neighboring particles, causing them to heat up. This process continues down the material, transferring heat from the hotter end to the cooler end.


What is the basic theory of heat transfer?

Heat transfer occurs by convection, conduction and radiation. In conduction, heat is transferred through collision of rapidly moving molecules. It is only through successive collision of molecules that heat transfers through an object.


How is heat transferd by conduct?

In conduction, the molecules vibrate. During the process the heated molecule transfers the heat to the neighboring molecules and those to the others. In this way the heat is transferred.