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What defines Second law of thermodynamics?

Updated: 5/29/2024
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The Second Law of Thermodynamics states that "in all energy exchanges, if no energy enters or leaves the system, the potential energy of the state will always be less than that of the initial state." This is also commonly referred to as entropy.

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The second law of thermodynamics states that in any energy transfer or transformation, the total entropy of a closed system will always increase over time, resulting in a decrease in the system's ability to do work. This law implies that natural processes tend to lead to a state of disorder or randomness, known as entropy, within a system.

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The fact that usable energy is always lost in an energy transfer is due to what 1 Newton's first law of motion 2 the second law of thermodynamics 3 Newton's second law of motion 4 the first l?

The fact that usable energy is always lost in an energy transfer is due to the second law of thermodynamics. This law states that entropy, or disorder, tends to increase over time in a closed system, leading to the loss of usable energy in the form of heat.


Which law of thermodynamics states that the heat engine cannot be completely efficient?

True


Why the first and second law of thermodynamics may be states you can not get ahead and you can not break even?

The first law of thermodynamics states that energy cannot be created or destroyed, only transformed. This implies that the total energy of a closed system remains constant. The second law of thermodynamics states that entropy, a measure of disorder, tends to increase over time in a closed system. Together, these laws suggest that it is impossible to create a perpetual motion machine or achieve 100% efficiency, indicating that one cannot "get ahead" or "break even" in terms of energy conservation.


Is entropy closely related to the 1st law of thermodynamics?

Entropy is closely related to the 2nd law of thermodynamics, not the 1st law. The 1st law of thermodynamics states that energy cannot be created or destroyed, only transferred or converted. Entropy, on the other hand, is a measure of the disorder or randomness of a system, which increases over time according to the 2nd law of thermodynamics.


How does energy efficiency relate to the first and second law of thermodynamics?

Energy efficiency is guided by the first law of thermodynamics, ensuring that energy is conserved and not lost in a system. The second law of thermodynamics dictates that some energy will always be lost as heat in any process, so the goal of energy efficiency is to minimize this loss and maximize the useful work obtained from energy.

Related questions

Why do you have a zeroth law of thermodynamics?

The "zeroeth" law defines thermal equilibrium. It also helps define the concept of temperature. Both of these are prerequisite assumptions and/or concepts that the first and second laws depend on.


What law of thermodynamics is unavailable for doing work?

"Unavailable for doing work" is related to the Second Law of Thermodynamics.


What law of thermodynamics tracks 'quality' of energy?

second law


What is another name for the Law of Disorder?

Second Law of Thermodynamics


The fact that usable energy is always lost in an energy transfer is due to what 1 Newton's first law of motion 2 the second law of thermodynamics 3 Newton's second law of motion 4 the first l?

The fact that usable energy is always lost in an energy transfer is due to the second law of thermodynamics. This law states that entropy, or disorder, tends to increase over time in a closed system, leading to the loss of usable energy in the form of heat.


Which law of thermodynamics states that the heat engine cannot be completely efficient?

True


What is universal law of energy?

There is no commonly accepted law by that name, as far as I know. Two important laws about energy are the First Law of Thermodynamics and the Second Law of Thermodynamics.


Why the first and second law of thermodynamics may be states you can not get ahead and you can not break even?

The first law of thermodynamics states that energy cannot be created or destroyed, only transformed. This implies that the total energy of a closed system remains constant. The second law of thermodynamics states that entropy, a measure of disorder, tends to increase over time in a closed system. Together, these laws suggest that it is impossible to create a perpetual motion machine or achieve 100% efficiency, indicating that one cannot "get ahead" or "break even" in terms of energy conservation.


What conversion does the second law of thermodynamics not allow?

The second law does not allow complete conversion of heat into work.


What law states that entropy tends to increase over time?

The Second Law of Thermodynamics.


What is the need of the second law of thermodynamics?

The second law of thermodynamics states that the total entropy of an isolated system can never decrease over time. It is needed to understand the direction of energy transfer and help explain why certain processes occur spontaneously while others do not. This law also helps determine the efficiency of heat engines and the limitations of energy conversion processes.


Is entropy closely related to the 1st law of thermodynamics?

Entropy is closely related to the 2nd law of thermodynamics, not the 1st law. The 1st law of thermodynamics states that energy cannot be created or destroyed, only transferred or converted. Entropy, on the other hand, is a measure of the disorder or randomness of a system, which increases over time according to the 2nd law of thermodynamics.