(a) Does the entropy of the surroundings increase for spontaneousprocesses? (b) In a particular spontaneous processthe entropy of the system decreases. What can you concludeabout the sign and magnitude of ΔSsurr? (c) Duringa certain reversible process, the surroundings undergo anentropy change, ΔSsurr = -78 J/K. What is the entropychange of the system for this process?

Q: Why is the standard entropy of a substance in the gas state greater than its standard entropy in the…

A: The intermolecular force between gas molecules is less than the intermolecular force between liquid…

Q: (Q68) Using the tabulated values from the text (located in Appendix G, beginning at p. 1211)…

A: We are authorised to solve only one question at a time. Please post rest of the questions…

Q: Look up the boiling point of benzene. Then calculate the change in Gibbs Free Energy for che…

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Q: 14 For a process with AH 0 ΟΔΕ >0 O AS > 0 O Never. 20 The standard enthalpy of reaction, AHf pen,…

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Q: A system undergoes a transformation for which ASsys 0. The transformation will definitely be…

A: Gibbs free energy : ΔG = ΔH - ΔS For a process to be spontaneous, ΔG < 0 ΔGsys < 0 ΔH -TΔSsys…

Q: For the isothermal expansion of a gas into a vacuum,ΔE = 0, q = 0, and w = 0. (a) Is this a…

A: (a) The spontaneous process is the process which starts on its own or initiate without any external…

Q: ST3D.3- At constant temperature and pressure, what is the minimum mass [in g] of glucose needed for…

A: Answer: Value of gibbs free energy change is always equal to non-expansion work and over here…

Q: Describe how entropy and enthalpy combine for the overall determination of spontaneity. What values…

A: The Gibbs equation, shown in equation (1) where ΔH is the enthalpy change, ΔS is the entropy change,…

Q: For a reaction, ΔHrxn = -107 kJ and ΔSrxn = 285 J>K. At what temperature is the change in entropy…

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Q: Given: H2O(l) → H2O(g) ΔH° = 40.7 kJ at 373K What is the entropy change in the system (ΔS) when…

A: The given chemical equation as follows --- H2O (l)     →     H2O (g)       ΔH° = 40.7 kJ at 373 K…

Q: In a particular spontaneous process, the number of microstates availableto the system decreases.…

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Q: What is the total entropy change at 25oC for the reaction below, if the standard entropies of…

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Q: The following reaction for the formation of glucose from carbon dioxide and water:…

A: The given reaction is,

Q: A reaction has ΔH °rxn = -112 kJ and ΔS °rxn = 354 J/K. At what temperature is the change in entropy…

A: The quantity of energy that is absorbed inside the system at a given temperature during a particular…

Q: 1 Suppose that when you exercise, you consume 100 gof glucose and that all the energy released as…

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Q: For the reaction CaO(s) + CO2(g)CACO3(s) at 298 K, AG = -130.9 kJ/mol, AH= -178.3 kJ/mol, AS = -159…

A: For spontaneous reaction, value of  ΔG is negative. For non- spontaneous reaction,  value of ΔG is…

Q: Identify the equation of Gibbs free energy, AG to predict the spontaneity of a reaction.

A: ANSWER

Q: 8. A reaction has AH° = 100 kJ/mol and AS°=250 J/mol-K. Is the reaction spontaneous at room…

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Q: For the chemical reaction Al203(s) + 3H2(g,p= 1 bar) → 2Al(s) + 3H2O(1) at T = 298 K, answer each of…

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Q: (Q78) The equilibrium constant (Keg) for the formation of dinitrogen tetroxide (N2O4) from nitrogen…

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Q: The entropy change for the process                                      H2 O(s) ⟶ H2 O(l)is 22.1 J/K…

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Q: What is the application of standard Gibbs free-energy to processes and reactions What is its…

A: Thermodynamics is the branch of chemistry which deals with the study of heat and other forms of…

Q: (a) For a process that occurs at constant temperature, doesthe change in Gibbs free energy depend on…

A: The Gibbs energy change can be defined by the expression as- ∆G=∆H-T∆S where ΔG: Gibbs Free Change…

Q: What is Gibbs free energy, and what is ΔG for a reaction, and what does it mean if ΔG is positive,…

A: Gibbs free energy : It is defined as the maximum reversible non-PV work that can be obtained from…

Q: 1. The heat capacity at 1 atm. pressure of solid magnesium in the temperature range from 0 °C to 560…

A: The unit of temperature is not mentioned therefore i am using kelvin. Data given: T2 =800K, T1…

Q: During a hypothetical process, the entropy of a system increases by 105 J K-1 while the entropy of…

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Q: (a) What are the signs of ΔS and ΔH for the process depictedhere? (b) If energy can flow in and out…

A: Entropy(S) is a thermodynamic property which denotes the degree of disorder or randomness of the…

Q: What is the difference in entropy between 25 g of N2 at standard conditions and 25 g of N2 at 400 °C…

A: The measure of disorderness in a thermodynamic system is called entropy. The entropy change is given…

Q: If a reaction has the following thermodynamic values, AH xn 288 kJ/mol and AS rn - 98 J/K mol, at…

A: Given- ∆H°rex=288kJ/mol = 288000 J/mole ∆S°rex=98J/K mol  T=?

Q: Under what circumstance can the entropy of a system decrease for a spontaneous process?

A: Entropy measures the degree of randomness in the system. When a substance changes its phase solid to…

Q: (Q68) Using the tabulated values from the text (located in Appendix G, beginning at p. 1211)…

A:

Q: Calculate the standard free-energy change (ΔGo) at 25°C for the reaction H2(g)+O2(g) ⇌ H2O2(l)

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Q: The normal boiling point of ethanol is 78.3˚C, and its molar enthalpy of vaporization is 39.3…

A: Boiling point is defined as the temperature at which the vapor pressure of a substance becomes equal…

Q: The enthalpy for a certain process is 146.4 kJ/mol and the entropy for the process is 463.6 J/K.  At…

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Q: A sample of carbon is burned in a calorimeter. If the calorimeter absorbs 81 J/K during the reaction…

A: Solving only first question in accordance with guidelines. You can repost remaining questions.

Q: Why do exothermic processes tend to be spontaneous at low temperatures? Why does their tendency…

A: According to second law of thermodynamics,

Q: What are the criteria for spontaneity(a) in terms of entropy and(b) in terms of free energy?

A: The Gibbs free energy is an important parameter to predict the feasibility of a process. The entropy…

Q: What is the entropy change

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Q: Read the following statements. Select all that are true. O For a spontaneous process, Asys S > 0 O…

A: Entropy of universe is continuously increasing. So change in entropy is positive.

Q: 1. The heat capacity at 1 atm. pressure of solid magnesium in the temperature range from 0 °C to 560…

A: Since in the question its not mentioned that in what unit the T is being substituted in Cp equation.…

Q: What would the entropy be for a system with 6.05E+1 microstates, in J/mol-K?

A: The relationship between number of micro-states with entropy is given as follows:

Q: 3) When 1mol of solid carbon reacts with 1mol of diatomic oxygen to produce 1mol o carbon dioxide,…

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Q: A reaction has AH = -112 kJ and ASan = 354 J/K. At what temperature is the change in entropy for the…

A: The given data contains, ∆H°reaction=-112 kJ∆S°reaction=354 J/K

Q: 1. The heat capacity at 1 atm. pressure of solid magnesium in the temperature rançe from 0 °C to 560…

A: The increase of entropy per g. atom is to be calculated

Q: A certain reaction has ∆H ° = +23.7 kJ and ∆S° = +52.4 J>K. Is the reaction spontaneous at 298 K…

A: Entropy is the measure of disorderness or randomness of a system. The standard value of entropy can…

Q: b. From the calculated entropy change value, what can you conclude regarding the process? c. In the…

A: As question is multiple question as per the guidelines we are supposed to do the first question . To…