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because of the path functions ..
Answer'Work' (symbol: W) describes the transfer of energy from one form into another. For example, an electric motor changes kinetic energy into electrical energy. 'Heat' (symbol: Q) describes the transfer of energy from a warmer body to a cooler body. For example, energy is lost from an electrical conductor if its temperature is higher than its surroundings. Scientists describe both work and heat as 'energy in transit'. Both share the same unit of measurement, the joule.
In other words, work and heat are the only two methods of manipulating energy. And they are very much related to each other.
For example, and electric kettle does work on the water by converting electrical energy into the internal energy (i.e. the energy associated with the vibration of atoms within any body) of the water (and of the kettle itself). This increase in internal energy results in the temperature of the water increasing above the ambient temperature and, so, energy is lost to the surroundings through heat transfer. So the amount by which the internal energy of the water has increased must be the difference between the work done on the water, and the heat transfer away from the water, that is:
increase in internal energy = work - heat
This equation summarises the general relationship between work and heat.
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Do heat retentive plates really work?
They do work, they use the Stefan-Boltzmann law (related to radiation of hot bodies)
How is heat related to work?
In ideal case not but in real life by forces like friction, etc.
How heat related to work?
In ideal case not but in real life by forces like friction, etc.
Is heat related to work?
In ideal case not but in real life by forces like friction, etc.
Define heat of work and how it is computed?
Define Heat of Work and Explain how it is computed.Heat of Work (HOW) is the the amount of heat added to refrigerant during the compression process. The heat content of the refrigerant at the outlet of the compressor (high-side) is subtracted from the heat content at the inlet of the compressor (low-side). The unit of measurement is in Btu/lbAnswerThere is no such thing as 'heat of work'. Heat and work are two different, but related, things. 'Heat' describes energy in transit from a higher temperature to a lower temperature, whereas 'work' describes energy in transit when one form of energy is converted into another form. The difference between work and heat is a measure of the rise in the internal energy of an object.
What are the forms of energy that can produce heat energy?
Heat is generally considered as a resultant of other energy reactions, which is why it is considered to be related to kinetic energy. All types of energy (the ability to do work) can produce heat energy.
What was James Joule famous for?
James Joule was a physicist who studied heat and is credited with the discovery of how heat related to mechanical work. His discoveries and studies led to the law of conservation of energy.
A heat engine is a device that converts work into heat?
No, a heat engine is not a device that converts work into heat. It is the opposite, which means it is a device that converts heat into work.
Are the signs of a heat related emergency?
heat cramps
Energy that is related to heat and the temperature of matter?
Thermal energy is energy that is related to heat and the temperature of matter.
What are the initial signs of heat related emergency?
heat cramps
Are the initial signs of a heat related emergency?
heat cramps
