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That would be the second law of thermodynamics.

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โˆ™ 2016-07-13 15:13:29
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Q: What law of thermodynamics states that some useful energy is lost in a reaction?
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Related questions

Why is the conservation of energy an issue that people must deal with if the first law of thermodynamics states energy is not created or destroyed?

Because the second law of thermodynamics states that any use of energy always results in a decrease in the amount of "useful" energy.


Can energy be regenerated?

According to the Second Law of Thermodynamics, once energy is wasted, it is gone forever - useful energy has become unusable energy.According to the Second Law of Thermodynamics, once energy is wasted, it is gone forever - useful energy has become unusable energy.According to the Second Law of Thermodynamics, once energy is wasted, it is gone forever - useful energy has become unusable energy.According to the Second Law of Thermodynamics, once energy is wasted, it is gone forever - useful energy has become unusable energy.


What is the 1st and 2nd laws of thermodynamics?

The first law of thermodynamics states that you can't create or destroy energy. The second law of thermodynamics has been formulated in several ways; one of them is that useful energy is constantly being converted to useless energy - in other words, with respect to energy, there are irreversible processes in nature.


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

By the first law of thermodynamics, energy is conserved - i.e. the sum of the useful work and the energy lost to heat will equal the energy you started with. The second law states that you will never get 100% energy efficiency.


Laws of conservation of energy and briefly explain?

The law of conservation of energy basically states that you can't create energy out of nothing. You also can't destroy energy. Energy is a quantity that remains constant, in a closed system (one that has no contact with the outside world). The law of conservation of energy is also called the First Law of Thermodynamics.You can, however, convert useful energy into useless (or unusable) energy - and this can no longer be converted back to useful energy - in other words, there are irreversible processes in nature. This is the Second Law of Thermodynamics.The law of conservation of energy basically states that you can't create energy out of nothing. You also can't destroy energy. Energy is a quantity that remains constant, in a closed system (one that has no contact with the outside world). The law of conservation of energy is also called the First Law of Thermodynamics.You can, however, convert useful energy into useless (or unusable) energy - and this can no longer be converted back to useful energy - in other words, there are irreversible processes in nature. This is the Second Law of Thermodynamics.The law of conservation of energy basically states that you can't create energy out of nothing. You also can't destroy energy. Energy is a quantity that remains constant, in a closed system (one that has no contact with the outside world). The law of conservation of energy is also called the First Law of Thermodynamics.You can, however, convert useful energy into useless (or unusable) energy - and this can no longer be converted back to useful energy - in other words, there are irreversible processes in nature. This is the Second Law of Thermodynamics.The law of conservation of energy basically states that you can't create energy out of nothing. You also can't destroy energy. Energy is a quantity that remains constant, in a closed system (one that has no contact with the outside world). The law of conservation of energy is also called the First Law of Thermodynamics.You can, however, convert useful energy into useless (or unusable) energy - and this can no longer be converted back to useful energy - in other words, there are irreversible processes in nature. This is the Second Law of Thermodynamics.


Energy loss means that?

Since energy can't be created nor destroyed (First Law of Thermodynamics), a loss or waste of energy really means that useful energy is converted into unusable energy (Second Law of Thermodynamics).


In what form is energy lost?

Total energy is always conserved (First Law of Thermodynamics), but on the other hand, useful energy can and will be converted into unusable energy (Second Law of Thermodynamics). The wasted or unusable energy is quite often in the form of heat. Also, if heat energy gets dispersed, it is less useful than when it is concentrated.


During respiration some energy is lost as?

During respiration some energy is lost as heat. This best describes the second law of thermodynamics, which states that "Some useful energy is lost as heat whenever an energy transfer occurs".


How do the first and second laws of thermodynamics apply to ecosystems?

The first laws of thermodynamics deals with the conservation of matter and energy and states that energy cannot be created or destroyed but can only change from one form to another. For example, the energy of visible light is absorbed by green plants through photosynthesis. It is changed into chemical energy stored in the glucose molecules. Whereas, the second law of thermodynamics states that some useful energy is converted into unusable waste heat during every energy transformation. This heat energy escapes into the surrounding environment. Another way of saying the same thing would be that in energy transformation, some energy is always lost in the form of heat that is thereafter unavailable to do further useful work.


What are the first and second law of energy?

You must be referring to the two Laws of Thermodynamics. Stated in terms of energy: 1. The First Law of Thermodynamics is the Law of Conservation of Energy, meaning that energy can not be created or destroyed. 2. However, useful energy is continuously being converted into unusable energy. This is irreversible. This is the Second Law of Thermodynamics.


What is the first and second laws of Thermodynamics?

First Law of Thermodynamics is also known as Conservation of Energy. Second Law of Thermodynamics means that useful energy is continuously being converted into unusable energy - there are irreversible processes in our Universe, with respect to energy. Read the Wikipedia articles for a more thorough discussion.


Is energy gained or lost when it converts from kinetic to thermal due to friction?

The total energy of course won't change - you won't "gain" or "lose" energy (First Law of Thermodynamics). However, note that you are basically converting useful energy into unusable energy (Second Law of Thermodynamics).


Which law of thermodynamics applies to percent of harvested energy?

The 2nd law of thermodynamics can yield predictions on the maximum efficiency of a process that seeks to extract useful energy. An example would be the Carnot cycle which gives the maximum percent of energy that can be harvested and turned into useful work as heat moves from a heat source to a heat sink.


How can red shift work without draining all of the energy in the universe?

The useful energy will be gone eventually, one way or another. As a result of the Second Law of Thermodynamics, it is unavoidable that we will eventually run out of useful energy.


Why is energy lost each time one organism eats another?

Because of the second law of thermodynamics, which states that each time energy is converted from one form to another, some of the energy is always degraded to a lower quality, more dispersed, less useful form and that no system can convert energy from one form to another useful form with 100% efficiency.


Is burning fuel a useful chemical reaction?

Yes,burning fuel is a useful chemical reaction as energy is released and can be converted into different forms to do useful work


Does total energy increase when one form of energy is converted to another form?

No, it won't increase nor decrease. Energy can't be created or destroyed (First Law of Thermodynamics). On the other hand, the amount of USEFUL energy will usually decrease in energy transformations (Second Law of Thermodynamics).


What states that when one from of energy is converted to another no energy is destroyed in the process?

That's the "Conservation of Energy"; also know as the "First Law of Thermodynamics". Please note that while TOTAL energy is conserved (doesn't change), in most or all processes that occur in practice, USEFUL energy is converted into UNUSABLE energy - often heat.


What is the constraints of energy?

The usual constraints are the First and Second Laws of Thermodynamics: First: energy is conserved; and second: useful energy gets converted into unusable energy - not the other way round.


How is the second law of thermodynamics related in ecology?

Briefly, living beings need energy, and their energy gets used up, meaning that although (in the sense of the First Law) total energy is conserved, in the sense of the Second Law such energy is converted from useful energy, to less useful energy.


According to the second law of thermodynamics no system can convert energy from one form to another useful form with 100 percent efficiency?

True


What is a 2nd law of energy?

This probably refers to the Second Law of Thermodynamics. There are several way to state it; one form - directly related to energy - basically says that useful energy is continuously being converted to unusable energy. Thus, the amount of useful energy in the Universe gradually decreases.


Is kinetic energy lost?

Yes, it can get lost. TOTAL energy is conserved (i.e., it can't get lost); though (according to the Second Law of Thermodynamics), USEFUL energy can and will decrease over time.


What law of thermodynamics accounts for the other 75 units of energy?

The way that the question is worded it is impossible to be sure exactly what you are looking for, but as a reasonable guess, you are looking for what happens to energy that is not producing useful work. The second law of thermodynamics generally tells us that we can never get 100% efficiency, i.e. we can never convert all the energy we are using into useful work. Some of the energy will just go into increasing the entropy of the universe.


What is the second of thermodynamics and what does it imply?

The Second Law of Thermodynamics means that useful energy is continuously converted into useless energy. In other words, there are irreversible processes in the Universe. One important implication is that the Universe can't have existed forever, nor can it sustain life forever in the future.