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conduction
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Is the flow of heat energy by direct contact between molecules?
conduction
Is the flow of heat energy by direct contact between molcules?
Yes, the flow of heat energy by direct contact between molecules is known as conduction. In this process, heat is transferred from a warmer object to a cooler one through direct physical contact between the particles.
Is Convection is the flow of heat energy direct contact between molecules?
Convection is the transfer of heat through the movement of fluids or gases. It does not require direct contact between molecules, as the heat energy is carried by the movement of the fluid itself.
Can liquids flow and why?
All the states of matter possess two things: kinetic energy and force of attraction. This is experienced between their molecules. Liquids possess high kinetic energy which enables them to flow, while the force attraction between their molecules is weak so their molecules are free to move which enable liquids to flow. ----- Edit ----- Yes, liquids can flow because they don't have strong intermolecular bonds.
Is Convection is the flow of heat energy by direct contact between molecules?
No, convection is the transfer of heat energy through the movement of fluids (liquids or gases) due to their different densities. This process involves the physical movement of the fluid to carry heat from one place to another.
What is energy transferred by contact between particles?
Conduction is the transfer of energy through physical contact between particles, such as in a solid material. Heat is transferred from areas of higher temperature to areas of lower temperature through the collision of particles, causing energy to flow.
Why do liquids and gases flow freely?
Molecules are constantly moving. Even an object sitting perfectly still has molecules that are moving, but these molecules are only moving in small variations, because the bonds between molecules are too strong. With liquids and gasses, the molecules aren't bound to each other hard enough to prevent the movement from affecting the substance.
What is the energy flow in a spoon which is half in a cup of hot tea?
I believe as the tea is in contact with the spoon, the molecules in the spoon start moving around as they are heating up, causing the spoon to become hot.
What is thermal contact?
Thermal contact is the transfer of heat energy between two objects or substances that are in physical contact with each other. This transfer occurs when there is a difference in temperature between the two objects, leading to the flow of heat from the warmer object to the cooler one.
How are electrons split in a process to generate energy?
Electrons are split in a process called oxidation-reduction reactions, where they are transferred between molecules. This transfer of electrons creates a flow of energy that can be harnessed to generate electricity.
Is energy flow involved in a change in state?
Yes, energy flow is involved in a change in state. When a substance changes state, such as from solid to liquid, energy is either absorbed or released. This energy is needed to break the bonds between molecules in the solid state or to form new bonds in the liquid state.
If two objects of differing temperatures are in contact the transfer of energy between them is in a form called what?
The transfer of energy between two objects of differing temperatures in contact is known as heat flow or thermal energy transfer. Heat always moves from the object at a higher temperature to the object at a lower temperature until both objects reach thermal equilibrium.
