Suppose you have a system made up of water only, with the container andeverything beyond being the surroundings. Consider a process in which the wateris first evaporated and then condensed back into its original container. Is this twostepprocess necessarily reversible?

Q: The change in intternal energy of a closed system is entirely deependent on heat exchanged. Select…

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Q: A liquid compound freezes into solid state, which is accompanied by 58.8 kJ of heat transferred to…

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Q: If the ΔE of a system is positive, then _________. A.  The surroundings are gaining energy B.  The…

A: If the ΔE of a system is positive, then _________

Q: Which property of a system is constant in reversible adiabatic process?

A: Randomness in the particles is measured by entropy. Compared to solid and liquid particles, the gas…

Q: A system which has neither mass nor energy transfer is called a(n): isolated system O closed system…

A: a) We are asked to find a system that has neither mass nor energy transfer. In chemical…

Q: Suppose you have a system made up of water only, with the container andeverything beyond being the…

A: Reversible processes are carried out very slowly in order to make the driving force infinitesimally…

Q: You have a container with 1.10 moles of gaseous octane and you condense it isothermally and…

A: According to first law of thermodynamics, the total energy is conserved, it only changes from one…

Q: A system goes from state 1 to state 2 and back to state 1. (a) Is ∆E the same in magnitude for both…

A: Given, A system goes from state 1 to state 2 and back to state 1.

Q: For the phase change, C2H5OH (liq) ↔ C2H5OH (g), calculate:   ∆H0rxn, ∆S0rxn and ∆G0rxn (using…

A: The feasibility factor or Gibbs energy change is dependent on the enthalpy along with entropy change…

Q: Consider a system consisting of an ice cube. (a) Underwhat conditions can the ice cube melt…

A: The ice cubes melts reversibly when solid and liquid are in equilibrium. The ice cubes melts…

Q: 1. The molar heat of vaporization of ethanol is 39.3 kJ/mol and the boiling point of ethanol is…

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Q: The vaporization of a liquid at a certain temperature and pressure is spontaneous. For this process,…

A: As the vaporization of a liquid at a certain temperature and pressure is given as a spontaneous…

Q: (a) Which of the thermodynamic quantities T, E, q, w, andS are state functions? (b) Which depend on…

A: a.

Q: reversible process

A: False

Q: (References] Use the References to access important values if needed for this question. The…

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Q: Imagine that a sample of liquid refrigerant undergoes expansion followed by compression so that it…

A: The vaporization of liquid refrigerant in the expansion occurs at atmospheric pressure and does not…

Q: The change in Gibbs' free energy is also considered a measure of the additional work that a system…

A: Given statement is :  The change in Gibb's free energy is also considered a measure of the…

Q: In which of the following processes AS is positive?

A: ∆ng = (number of gaseous moles of products) - (number of gaseous moles of reactants)  ∆S is positive…

Q: Give examples of chemical systems that are (a) open, (b) closed, (c) isolated.

A: Open system: An open system can exchange energy and matter with environment. Example: Cup of water (…

Q: True or False. Support your answers For every process, AUsys = -AUsurr b. For every cyclic process,…

A: first law of thermodynamics

Q: (a) In which process is there a greater change in entropy, an isothermal or an adiabatic? Explain…

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Q: Illustrate with the graph uversus T the fact that ASfus dan ASsub are guaranteed to be always…

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Q: Calculate AS, AS and AS for this process. The C, of water and ice for the temperature range between…

A: Solution - According to the question - Given - deltaS(univ) = deltaS(sys) + deltaS(surr) deltaS(sys)…

Q: In this experiment, we are able to indirectly determine the heat lost by a hot object by determining…

A: Answer: Since, there is no loss of heat, due to external factors, is mentioned in the problem…

Q: Consider a system consisting of an ice cube. (a) Under what conditions can the ice cube melt…

A: If the solid and liquid are in equilibrium, then the ice cube melt reversibly

Q: consider a system consisting of an ice cube. (a) under what conditions can the ice cube melt…

A: The ice cubes melts reversibly when solid and liquid are in equilibrium.

Q: A thermodynamic system is always an open system. O True O False

A: A thermodynamic system is a body of objects and / or rays, enclosed in a space by walls, with…

Q: Consider the vaporization of liquid water to steam at apressure of 1 atm. (a) Is this process…

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Q: For every cyclic process, the final state of the surroundings is the same as the initial state of…

A: False. For every cyclic process, the final state of the surroundings is not necessary to be same as…

Q: candkpe NOBR(g) = % N2(g) + O2(g) + % Br2(g) from the following information at 298 K: NO(9) = %…

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Q: Use the References to access important values if needed for this question. The following information…

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Q: Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes…

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Q: If a 348 g sample of steam at 127oC is cooled to 103oC, find the change in the heat content of the…

A: Given data contains, Mass of the sample is 348 g. Initial temperature is 127°C. Final temperature is…

Q: Find the change in entropy equation for isothermal and isobaric processes ?

A: Change in entropy is the ratio of heat transfer to temperature QT. Second law of thermodynamics…

Q: Consider the reaction 3 CH4 (g) --> C3H8 (g) + 2 H2 (g) Determine the Gibbs Free Energy (DG) at a…

A: Gibb's free energy decides the spontaneity of the chemical reactions. If the value of Gibbs free…

Q: onsider how Gibbs free energy and Helmholtz energy are related to each other. Find a mathematical…

A: The Gibbs' free energy is the energy available to do non-PV work in a thermodynamically-closed…

Q: Q3/ Choose A or B (10 Marks) A/ How many types of thermodynamic systems, explain with the help of a…

A: a)here are three types of systems in thermodynamics: open, closed, and isolated. An open system can…

Q: For a certain process at 455 K, A G=-12.1 kJ and A H=-9.2 kJ. Therefore, A S for the process is

A: Given :-  ∆G = -12.1 kJ  ∆H = -9.2 kJ  T = 455 K  To calculate :  ∆S (inJ/K mol)

Q: a. For every cyclic process, the final state of the system is the same as the initial state. b. For…

A: In the given question we have to find out the given statement is true or false.  a)  It is true…

Q: Why are ∆fusS and ∆vapS of a system always positive values?

A: We have to state reason for positive values of ∆S values.

Q: For a given process at constant pressure, w is positive. This means that the process involves

A: In chemical thermodynamics, work done is calculated as: w = -p(V2-V1)   Given, work done is positive…

Q: Explain the figure. Discuss what you would expect for 100 K and 1000K.

A: Activation energy (Ea) is the minimum energy required to transfer reactant to product.  If the…

Q: Consider a process in which an ideal gas changes fromstate 1 to state 2 in such a way that its…

A: In thermodynamics, various types of functions are studied; two of them are state function and path…