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Nov 28, 2021 · Entropy is defined as a measure of a system’s disorder or the energy unavailable to do work. Entropy is a key concept in physics and chemistry, with application in other disciplines, including cosmology, biology, and economics. In physics, it is part of thermodynamics. In chemistry, it is part of physical chemistry.
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Entropy is a scientific concept that is most commonly associated with a state of disorder, randomness, or uncertainty. The term and the concept are used in diverse fields, from classical thermodynamics, where it was first recognized, to the microscopic description of nature in statistical physics, and to the principles of information theory.
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- Entropy is not energy; entropy is how the energy in the universe is distributed. There is a constant amount of energy in the universe, but the way...
- It's just a tendency of the universe. We, as living beings, fight against the increase of entropy in our bodies, as a result, it's a little bad for...
- What you describe, a piece of the Sun breaking off and fusing together to a cold lump of rock, can only happen when the energy in that piece of the...
- It is because water when it goes from 4 degrees celsius to less, expands in volume and thus gains entropy.
- Yes. More configurations = more entropy. In fact, entropy = K times the log of the number of configurations. S=K log W, or S=K log omega. (To reall...
- I know this is years old, but in case I can help someone along the road: In chemistry, if a reaction results in more molecules than you began with,...
- First it’s helpful to properly define entropy, which is a measurement of how dispersed matter and energy are in a certain region at a particular te...
- A black hole has the maximum possible entropy for the volume of space inside their event horizon.
- lowest entropy: solid hight entropy: plasma Because the particles in a solid are least dispersed, the entropy is lowest. It is the opposite with pl...
- So entropy isn't the only thermodynamic variable we consider with chemical reactions. We also consider changes in enthalpy (essentially heat) and a...
Jul 31, 2024 · Entropy, the measure of a system’s thermal energy per unit temperature that is unavailable for doing useful work. Because work is obtained from ordered molecular motion, entropy is also a measure of the molecular disorder, or randomness, of a system.
Jun 30, 2009 · Entropy is a thermodynamic property, like temperature, pressure and volume but, unlike them, it can not easily be visualised. Introducing entropy. The concept of entropy emerged from the mid-19th century discussion of the efficiency of heat engines.
Entropy is a measure of randomness or disorder in a system. Gases have higher entropy than liquids, and liquids have higher entropy than solids. An important concept in physical systems is that of order and disorder (also known as randomness).
Jan 30, 2023 · Entropy is a state function that is often erroneously referred to as the 'state of disorder' of a system. Qualitatively, entropy is simply a measure how much the energy of atoms and molecules become more spread out in a process and can be defined in terms of statistical probabilities of a system or in terms of the other thermodynamic quantities.
