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Q: By which process is heat energy transferred when molecules within a substance collide?
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How is heat transferred when objects touch?

When objects touch, heat is transferred by the process of conduction. Conduction is when heat transfers when molecules collide!


How do conduction occur?

Conduction occurs when two object at different temperatures are in contact with each other. Heat flows from the warmer to the cooler object until they are both at the same temperature. Conduction is the movement of heat through a substance by the collision of molecules. At the place where the two object touch, the faster-moving molecules of the warmer object collide with the slower moving molecules of the cooler object. As they collide, the faster molecules give up some of their energy to the slower molecules. The slower molecules gain more thermal energy and collide with other molecules in the cooler object. This process continues until heat energy from the warmer object spreads throughout the cooler object.


Heat is transferred from one particle of matter to another without the movement of matter itself in what process?

Radiation. In convection and conduction the molecules move and vibrate.


Heat transfer that involves mass movement is?

Convection is the process whereby heat is transferred by the mass movement of molecules from one place to another.


How does conduction work?

In this context we will assume you are referring to thermal conductivity. Thermal conductivity is the macroscopic effect of molecules in a substance colliding with or otherwise coming close enough to other molecules in a substance to impart some of their kinetic energy (translational, vibrational or rotational) to the other molecules. Molecules close to the higher temperature surface (heat source) collide with it and pick up some of the energy of the molecules there. As they bounce away, they collide with other molecules further away and give up some of their energy to the other molecules because they have more energy than the other "cooler" molecules. This process propagates through the substance with the net effect that heat is "conducted" from the heat source to the heat sink. In conduction, each molecule stays pretty much in the same general region during the entire process, just rattling around within its home area. This differs from convection where there is a bulk movement of gas or liquid from one place to another. In the case of convection - a mass of fluid (gas or liquid) moves from an area of one temperature to an area of a different temperature, like the blobs of wax in a lava lamp. Once it gets to a new area, it imparts its energy to (or absorbs energy from) the new surrounding fluid by way of conduction.

Related questions

How is heat transferred when objects touch?

When objects touch, heat is transferred by the process of conduction. Conduction is when heat transfers when molecules collide!


In the process of cloning what is the main substance transferred from one cell to another?

DNA


How do conduction occur?

Conduction occurs when two object at different temperatures are in contact with each other. Heat flows from the warmer to the cooler object until they are both at the same temperature. Conduction is the movement of heat through a substance by the collision of molecules. At the place where the two object touch, the faster-moving molecules of the warmer object collide with the slower moving molecules of the cooler object. As they collide, the faster molecules give up some of their energy to the slower molecules. The slower molecules gain more thermal energy and collide with other molecules in the cooler object. This process continues until heat energy from the warmer object spreads throughout the cooler object.


How conductivity occurs?

Conduction occurs when two object at different temperatures are in contact with each other. Heat flows from the warmer to the cooler object until they are both at the same temperature. Conduction is the movement of heat through a substance by the collision of molecules. At the place where the two object touch, the faster-moving molecules of the warmer object collide with the slower moving molecules of the cooler object. As they collide, the faster molecules give up some of their energy to the slower molecules. The slower molecules gain more thermal energy and collide with other molecules in the cooler object. This process continues until heat energy from the warmer object spreads throughout the cooler object.


Information on a coding sequence of DNA is transferred into what molecules?

It is first transferred to an mRNA molecule through a process called transcription. The mRNA is then processed, and the information on the processed mRNA is transferred to the amino acid sequence of a protein through a process called translation.


By which process do light rays pass through window glass?

No, conduction is when molecules (usually in solids) collide and pass on heat energy.


What is the process in which a cell surrounds and takes in a substance?

Endocytosis; bulk transport into the cell.


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.


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.


Is Diffusion made of small or large molecules?

Diffusion is not a substance. It is a physical process. Diffusion is the process where there is a movement of molecules from where they are abundant to where they are scarce. A more technical definition would be: Diffusion is a process in which molecules move from a region of higher concentration to a region of lower concentration.


What is the process in which a substance breaks up into smaller particles as it dissolves?

You question makes no sense. If particles dissolve they go into solution, they do not "break apart and scatter".


During the process of diffusion what is occurring?

Diffusion is a process that occurs when a substance such as water, molecules, etc enter and leave cells. The way that cell diffusion happens is by molecules moving from an area of high concentration to an area of low concentration. This usually occurs until both molecules have the same amount of the substance and it is distributed evenly.