For an isothermal and isobaric process that has AU= 100 kJ/mol, AH = 125 kJ/ mol and AS = 225 J/mol*K, what is the value of AA at 100 °C? %3D A) 225 kJ/mol B) 125 kJ/mol C) 100. kJ/mol D) 45.1 kJ/mol E) 16.1 kJ/mol

Q: A silver cube with an edge length of 2.25 cm and a gold Substance Specific heat (J/g.°C) Density…

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Q: 2. The values of AH°(rxn) and AS°(rxn) for the reaction 2 NO(g) + O:(g) →2 NO:(g) are -12 kJ and…

A: Given: ∆H°rxn=-12 kJ=12×103 J∆S°rxn=-146 J/KT=298 K To find: (a) Whether the reaction is spontaneous…

Q: For a cyclic process, q = 0.  Is this True or False

A: The relationship between the internal energy change and heat and work is given by, => ΔE = q + w…

Q: What is ΔG°rxn in kJ/mol for the following reaction at 537.8 Kelvin? Please report 2 decimal places,…

A: The enthalpy of a reaction is the amount of heat energy gained or released during the course of the…

Q: Calculate delta H degrees for the process: CO3O4(s) = 3CO(s) + 2O2(g) fromt he following…

A: This calculation is based on hess law which states enthalpy change of a reaction remains same…

Q: For an ideal gas, what is the specific molar entropy change during an isothermal process in which…

A: Answer:-  Given ideal gas , isothermal process  P1= 157kpa , P2= 200kpa Specific molar entropy…

Q: This question is about the process of forming diamond from graphite. For C(graphite) C(diamond) at…

A: The ∆Stotal for the for the forward reaction at constant temperature and pressure can be calculated…

Q: Which of the following statements is/are true? I.AT=0 for every isothermal process II. Every process…

A: Reason for question( 1) in isothermal process Temperature  must be constant so ∆T=0 So option  I ,…

Q: A 20.2 g quantity of neon changes temperature from 30oC to 160oC at constant pressure. Assuming neon…

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Q: For a certain process at 355 K, AG = -11.7 kJ and AH = -9.2 kJ. Therefore, AS for the process is %3D…

A: ∆G = -11.7 KJ/mol ∆H = -9.2 KJ/mol T = 355 K  ∆S = ?

Q: For the reaction Fe2O3(s) + 3H2(g)2Fe(s) + 3H2O(g) H° = 98.8 kJ and S° = 143 J/K At standard…

A: The given reaction is, Fe2O3(s) + 3H2(g) ---> 2Fe(s) + 3H2O(g) H° = 98.8 kJ and S° = 143 J/K

Q: For the reactionCaCO3(s)CaO(s)+ CO2(g)H° = 178 kJ and S° = 161 J/KAt standard conditions, this…

A: For the given reaction, the value of ΔH and ΔS is given and it is required to determine at what…

Q: Consider freezing a 2 cm x 2 cm x 2 cm cube of water. Calculate AH, AU, q, w, and AS for the…

A: In order to solve this question, we will first do the first part of the question using the first…

Q: The normal boiling point of benzene is 80.0°C with an enthalpy of evaporation of 30.5 kJ/mol.…

A: A substance possesses three physical states depending on temperature and surrounding conditions. All…

Q: The vaporisation of a certain element at 24.0 oC has the following enthalpy and entropy values:…

A: Given,  Hvap = 3.40 kJ mol-1     Svap = 246 J K-1 mol-1. Temperature = 24.0 °c = 297 K Now, □Stotal…

Q: The standard enthalpy of vaporization of Freon-12, CF2CI2, is 20.19 kJ/mol at its normal boiling…

A: ∆S =∆Hv T  Where     ∆S = Entropy change = ?  J/mol K   ∆Hv = 20.19 KJ/mol  x 1000 J/1 KJ  = 20190…

Q: For the reaction6CO2(g) + 6H2O(l)C6H12O6 + 6O2(g)H° = 2.80×103 kJ and S° = -259 J/KAt standard…

A: The reaction is spontaneous or not uder any circumstances can be determined by calculting the value…

Q: The vaporisation of a certain element at 23.0 oC has the following enthalpy and entropy values:…

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Q: You weighed your empty insulated cup and found that the mass of the cup was 3.1 g.  You add some hot…

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Q: For which of these processes is the sign of AS negative in the system? A. 2 H2(g) + 02g)→2 H20(g) B.…

A: The ΔS of any reaction is the change in the entropy of the reaction. To find the sign of the ΔS, we…

Q: Part A CaO can be used as a drying agent. One such application occurs when water is added to dry…

A: From given datas  Both subdivision is solved For part A we calculated ∆Suniv for the above given…

Q: Consider the following process: C(s, diamond) --> C(s, graphite) AH°, (Cs, diamond) 1.9 kJ/mol; As°…

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Q: For a particular process that is carried out at constant pressure, q = 145 kJ and w = -35kJ.…

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Q: Consider the reaction 2Na(s) + 2H2O(1)–2N2OH(aq) + H2(g) for which AH° = -368.6 kJ and AS° = -15.30…

A: 2 Na (s) + 2 H2O (l) ==> 2 NaOH (aq) + H2 (g)

Q: The value of Ke for the reaction A= B is 0.425 at 50.0°C and 0.625 at 100.0°C. Calculate AH° for the…

A: Given reaction  A  <--> B  Kc = 0.425 at T1 = 50°C = 323 K Kc = 0.625 at T2 = 100°C = 373 K

Q: 2.5 moles of CO2 expands against an external pressure of 1.4 atm. It was initially at 9.0 atm and…

A: The ideal gas equation described a relationship among temperature, pressure, and the amount of the…

Q: The heats of the following reactions at 25°C are: Na(s) + 1/2Cl,(g) → NaCl(s) AH° = - 98230 cal…

A: The heat of the reaction is the energy that is released or absorbed when chemicals compounds are…

Q: A sample of 2.00 mol CH3OH(g) is condensed isothermally and reversibly to liquid at 64 °C. The…

A: The relationship between change in enthalpy(∆H) and change in internal energy(∆U) is given by ∆H =…

Q: For the reaction |C(s,graphite) + O(g) CO2(g) |AG° = -394.4 kJ and AS° = 2.9 J/K at 315 K and 1 atm.…

A: The ΔG for the given reaction is -394.4 kJ If ΔG < 0 then the reaction is spontanous in forward…

Q: If a 136.51 g Al rod (c = 0.900 J/g°C) is at 100.0°C and placed into 250.0 g of water at 21.8°C,…

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Q: For all processes, both q and AE will have the same sign. O True False

A: The question is based on the concept of chemical thermodynamics. it makes use of first law of…

Q: For a particular process that is carried out at constant pressure, q- 200kJ and w- -90 kJ.…

A: We have given that  q = 200KJ  W= -90KJ  From first law of thermodynamics  ∆E = dq + W

Q: b) CHucgst 20zcg)→CO2(g) +2 H2Ocg). N Hat (AHEs -132.5)(AGʻ4%s -79.31)(5° 113.4) CI (AH'sis…

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Q: 4.8)  Calculate the values of ΔU, ΔH, and ΔS for the following process: 1 mole of liquid water at 25…

A: In isobaric process, ΔH = q, the given process also an isobaric process so the molar heat of…

Q: Hint: No calculations are required. For the reaction CH4(g) + H20(g)→3H2(g) + CO(g) AH° = 206 kJ and…

A: In this question, we will Identify the temperature at which this reaction is Product favored.  You…

Q: Consider the combustion of one mole of methane gas:CH4(gas) + 2O2(gas) --> CO2 (gas) +…

A: The heat of formation is defined as the heat change, when one mole of compound is formed from its…

Q: 4. For a chemical reaction that has a AGº value of +275 kJ/mol, what value must Q have for this…

A: Since the relationship between Q and ΔG is as shown below ΔG = -RTln(Q)  where R = gas constant =…

Q: A silver cube with an edge length of 2.38 cm and a gold Substance Specific heat (J/g-°C) Density…

A: Given :  Edge length of silver cube = 2.38 cm  Edge length of gold cube = 2.66 cm  Initial…

Q: The enthalpy of vaporization of water is 43.21kJ/mol and normal boiling point temperature is…

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Q: 5. For an isothermal process, AS = а. q b. qrev/T C. Qrev d. Tqrev e. q +w

A: For an isothermal process, ∆S=?

Q: Part A THIS? Read Section 19.6 53-867): Watch KCV 19.6. IWE 19.4 AH--98 kJ, ASi-145 J/K, T- 207 K…

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Q: 7. Consider the following process, in which AH® is 44.0 kJ/mol at 25°C and 40.6 kJ/mol at 100 °C…

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Q: What is A-G° in unit of kJ at 298 K for the following reaction? Zn(s) + H2O(g) ZnO(S) + H2(g)…

A: The given reaction is as follows: Zn(s) + H2O(g) ↔ ZnO(s) + H2(g) The standard gibbs energy change…

Q: Calculate the change of the entropy of the system in J/K for the following phase transition:…

A: Given mass of n-propanol = 159.2 gram         Molar mass of propanol = 60.095 g/mole  Enthalpy of…

Q: 6. If for a spontaneous generic process A→B,  ΔG > ΔH, then for this process___________ Group of…

A: Given  for a spontaneous generic process A→B,  ΔG > ΔH, For a Spontaneous processΔG < 0

Q: For a certain process at 319 K, AG=-34.2 kJ and AH=-17.5 kJ. What is AS for this process?

A: Given data contains, ∆G=-34.2 kJ∆H=-17.5 kJTemperature=319 K

Q: Given the reaction: I2(s)+Br2(l)→2IBr(g) with ΔHo = +81.7 kJ and ΔSo = +249.0 J/K What is the…

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Q: Select ALL that are always TRUE for a spontaneous process. AG 0 and AS 0

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…

Q: For the reaction 4NH3(g) + 5O2(g) ⇄ 6H2O(g) + 4NO(g) ΔG* = −955.6 kJ What is the free energy…

A: The balanced reaction taking place is given as, => 4 NH3 (g) + 5 O2 (g) ⇄ 6 H2O (g) + 4 NO (g)…