WEBQuestion: To determine the entropy change for an irreversible process between states 1 and 2, should the integral integral_1^2 delta Q/T be performed along the actual process path or an imaginary reversible path? Explain.
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WEBScientists. Other. Category. v. t. e. In thermodynamics, a reversible process is a process, involving a system and its surroundings, whose direction can be reversed by infinitesimal changes in some properties of the surroundings, such as pressure or temperature. [1] [2] [3] Throughout an entire reversible process, the system is in thermodynamic ...
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WEBSubstituting this into the equation for Qc/Qh, Q c / Q h, we obtain. Qc Qh = Tc Th. Q c Q h = T c T h. Finally, with Equation, we find that the efficiency of this ideal gas Carnot engine is given by. e = 1 − Tc Th. e = 1 − T c T h. An engine does not necessarily have to follow a Carnot engine cycle.
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WEBProve that in regards to entropy, the integral of an irreversible process is less than that of a reversible process. True or False, A closed system can experience an increase in entropy only when a net amount of entropy is transferred into the system. The entropy .... in an irreversible cyclic process. A. remains constant B. decreases C. increases
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WEBAug 8, 2019 · Coalescence is a merge of two or more droplets into a single droplet, with the rupture of the surface film of each droplet, forming a new and larger droplet, independent of the other droplets. It is an irreversible process, different from flocculation and sedimentation, which also allow two or more droplets to merge into a single droplet.
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WEBJan 25, 2023 · ii. The flower blooming is an irreversible change because flowers cannot turn back into buds. iii. When milk is not refrigerated, it spoils quickly, especially in the summer. This is known as curdling or sour milk, and it is an irreversible process. If we want to make cottage cheese or paneer, we can curdle milk by adding lemon juice. iv.
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WEBYour solution's ready to go! Our expert help has broken down your problem into an easytolearn solution you can count on. Question: An ideal gas in thermal contact with the surroundings is cooled in an irreversible process at constant pressure. Are delta S, delta S surroundings, and delta S total, positive, negative, or zero?
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WEBJun 24, 2023 · The combustion of fossil fuels is an example of an irreversible process in nature, as it involves a chemical reaction that permanently changes the composition of the fuel and releases energy that cannot be fully recovered.. When fossil fuels, such as coal or oil, are burned, they undergo a chemical reaction with oxygen in the air, releasing .
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WEBDestructive Distillation is a chemical process used to decompose unprocessed materials. It is done by heating the unprocessed material leading to a relatively large amount of 'cracks'. It is the treatment of certain organic substances with a fixed amount of oxygen. It is useful in producing a variety of products, including ethanol, methanol ...
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WEBExplain reversible and irreversible process. Describe the working of Carnot Engine. Obtain an expression for its efficiency. View Solution. Q2. Describe the working of Carnot engine and mention the expression for its efficiency. View Solution. Q3.
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WEBFeb 15, 2014 · 1 Answer. Spontaneous processes are irreversible because they can be reversed only by taking a different path to get back to their original state. A reversible process can take the same path to return to its original state. An irreversible process must take a different path to get back to its original state. For example, when the .
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WEBWhen examining thermodynamic processes some simplifying assumptions may be applied to help describe and analyse a given system. These simplifiions can be viewed as 'ideal' thermodynamic processes and include adiabatic, isenthalpic, isentropic, isobaric, isochoric, isothermal, isentropic, polytropic and reversible processes. This article provides a brief .
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WEBMore precisely, an irreversible process is one that depends on path. If the process can go in only one direction, then the reverse path differs fundamentally and the process cannot be reversible. For example, as noted in the previous section, heat involves the transfer of energy from higher to lower temperature. ... Coalfired power plants ...
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WEBJun 8, 2021 · Answer: Examples of Reversible Changes: Melting of ice into water: By freezing the water we can obtain ice again. Folding a paper: By unfolding it, we can undo the change. Flot milk to cold milk: By boiling milk, we can make it warm again. Examples of Irreversible Changes: Bursting a balloon. Bud becoming a flower.
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WEBOverview: This module uses screencasts and interactive simulations to explain the differences between reversible and irreversible expansion and compression processes. Example problems are provided to allow the user to test themselves. Your retention of material in this module will increase if you write down reasons for your answers to ...
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WEBThe Rankine cycle is a kind of ideal cycle that described the process by which the heat engines or steam engines allow work to be extracted from the fluid such as steam in steam power plants. The heat sources from which the power plant uses the Rankine cycle are coal, natural gas, or oil.
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WEB1 / 4. Find stepbystep Physics solutions and your answer to the following textbook question: Give two examples of reversible processes and two examples of irreversible processes in purely mechanical systems, such as blocks sliding on planes, springs, pulleys, and strings. Explain what makes each process reversible or irreversible..
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WEBFeb 20, 2022 · Irreversible processes involve dissipative factors, such as friction and turbulence. This increases heat transfer (Q_c) to the environment and reduces the efficiency of the engine. ... a tribute to superior engineering. Electrical power stations fired by coal, oil, and natural gas have greater actual efficiencies (about 42%), because their ...
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WEBSep 13, 2021 · Communiion is Transactional. Communiion is also a transactional process, this means that: 1) Each communior is simultaneously a sender and receiver of messages. 2) Meaning is cocreated in the interaction by both communiors. 3) Communiion is an ongoing process and previous interactions between .
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WEBAug 29, 2023 · Chemical Reversibility. As we have defined them here, electron transfer is a heterogenous process occurring between a solid working electrode and a solution species close to or at the surface of the electrode. To determine the extent of chemical reversibility, we must ask ourselves if the electrochemically generated species is stable to ...
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WEBJun 14, 2021 · Also, once the curd is formed, it cannot be reversed back into milk. So, there is a formation of new substance with different properties and also it is an irreversible process. Hence, setting of curd is a chemical change. Question 7. Explain why burning of wood and cutting it into small pieces are considered as two different types of changes ...
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WEBAn irreversible process is what we encounter in reality almost all the time. The system and its environment cannot be restored to their original states at the same time. Because this is what happens in nature, it is also called a natural process. The sign of an irreversible process comes from the finite gradient between the states occurring in ...
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WEBFeb 14, 2016 · If you impose an irreversible process on your adiabatic system like that, you won't be able to bring the system back to its initial state. You will be able to bring it back to its initial volume, but not at the same initial temperature and pressure. The entropy change will certainly not be zero. it will be greater than zero.
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WEB3,508 solutions. 10th Edition • ISBN: (5 more) Erwin Kreyszig. 4,134 solutions. 1 / 4. Find stepbystep Engineering solutions and your answer to the following textbook question: Is it possible for the entropy change of a closed system to be zero during an irreversible process? Explain..
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WEBThe unit of Gº is J. Use the intercept rule we learned in class to derive the expressions of the chemical potentials of Cu and Zn in the liquid alloy at 1400K in terms of Xcu (or XZn), GC and G2 . When mixing pure liquid Cu and Zn at 1400K, is the process reversible or irreversible? Please explain.
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Communiion Basics. Communiion is an everpresent phenomenon. It is such a dynamic and enduring process that often we are not even aware of when it starts or ends. We continue to develop our communiion ability and knowledge throughout our lives. This book strives to assist in this development by providing the knowledge, theory, and ...
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A material supplier from Belgium would like to produce limestone powder for his custome...
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