#4 Find ΔGo for the following reaction, at 25°C, using ΔHof and So values. NH4Cl(s)→NH3(g) + HCl(g) =____kJ Standard Thermodynamic Values at 298 K Substance or Ion ΔHof(kJ/mol) So(J/mol K) HCl(g) −92.3 186.79 HCl(aq) −167.46 55.06 NH3(g) −45.9 193 NH3(aq) −80.83 110 NH4Cl(s) −314.4 94.6

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A: The standard enthalpy change and the entropy change of the reaction are given by: ∆H° = ∑∆H°f…

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A: The Gibb’s free energy change is expressed as:

Q: For each reaction, calculate AHrn, ASn, and AGxn at 25 °C and state whether or not the reaction is…

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Q: When is a reaction never spontaneous?   Keq   ∆H>0, ∆S>0   Keq0

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Q: Which of the following changes will always be true for a spontaneous reaction?  +ΔG  –ΔG  +ΔS…

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A: Given information:

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Q: 1. Classify the following processes as "Spontaneous" or "Non-spontaneous": (i) (ii) (iii) (iv) (v)…

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Q: Use tabulated thermodynamic data to calculate the standard entropy change of each of the reactions…

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Q: A) AG becomes less negative and the reaction becomes less spontaneous. B) AG becomes more negative…

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Q: Consider this reaction occurring at 298 K:BaCO3(s)<----->BaO(s) + CO2( g)a. Show that the…

A: a. ΔG°rxn is +ve. therefore, the reaction is not spontaneous.

Q: 2. Calculate the temperature in which the following reactions become spontaneous. b) Reaction B: AH…

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Q: 4. From the following AH and AS values, predict whether the reaction would be spontaneous. If not,…

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Q: Where possible, classify these systems as reactant-favored or product-favored at 298 K. If the…

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Q: DeltaH=21      T=21.2 degrees C   DeltaS= 0.071 Is the dissolution process studied today, NaNO3…

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Q: Which of the following reactions will be spontaneous at all temperatures? Select one: O a. H20(g) →…

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Q: Q2.) For a particular reaction, ΔH = -32 kJ and ΔS = -90 J/K . Assume that ΔH and ΔS do not vary…

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Q: Predict how AG changes with increasing temperature for the reaction A(g) + B(g) - C(g). A) AG…

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Q: Rank the following from lowest to highest entropy. a)Br2 (l), Br2 (g), I2 (g) (b) C4H8 (l), C4H10…

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Q: Predict how AG changes with increasing temperature for the reaction A(g) + B(g) - C(g). A) AG…

A: The given reaction is  A(g) + B(g) => C (g)  and  ΔH = -201 KJ/mol ΔS = -189.2 J/mol-K

Q: For each reaction, calculate AHan ASn and AGan at 25 "C and state whether or not the reaction is…

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Q: 57. For each reaction, calculate AHan, AS, and AGan at 25 °C and state whether or not the reaction…

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Q: Consider the following reaction   AgBr(s) → Ag+(aq) + Br−(aq), ΔGo = +69.1 kJ   Calculate ΔG for the…

A: The relation between ∆G and ∆Go is  given by: ∆G = ∆Go + RT lnQ Where, R = universal gas constant,…

Q: Part A In which case is the reaction spontaneous at low temperature and nonspontaneous at high…

A: Enthalpy and entropy can be combined to predict reaction spontaneity Relationship between enthalpy…

Q: 9) Consider the following reaction FeO(s) + CO(g) → CO:(g) + Fe(s) AH = -11.0 kJ; AS = -17.4 J/K a)…

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Q: The graph below shows the change in Gibbs free energy for two reactions. Change in Gibbs Free Energy…

A: Given:

Q: Microsoft PowerPoint- Chap X 101 Chem101 G celsius to kelvin - Google Se. X G ml tol-Google Search…

A: Given, The following molecule which has the largest standard molar entropy, S° (298.15°C) is :

Q: Consider the reaction: NH4Cl (s) → NH3 (g) + HCl (g) ArS 94.6 J K-¹mol-¹ A,H= 175.98 kJ/mol a)…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Suppose that two systems, each composed of two particles repre- sented by circles, have 20 J of…

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Q: 4. Methanol is relatively inexpensive to produce. Much consideration has been given to using it as a…

A: 4. Given decomposition reaction of methanol:   CH3OH(l)  ---->  CH4 (g) + (1/2)O2 (i) when moles…

Q: P4 (g)  +   10 Cl2 (g)   →    4 PCl5 (g)   a) Without consulting the tables, what sign do you…

A: Entropy means randomness of system. If there are more number of molecule then they move random…

Q: Suppose that two systems, each composed of two particles rep- resented by circles, have 20 J of…

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Q: 4 NH3 (g) + 5 O2 (g) -4 NO (g) + 6 HzO (g) ArHo = -906 kJ For the reaction above, predict the sign…

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Q: 3. Calculate the standard free-energy change ( AG° ) at 25°C for the reaction 2H2(g) + N2(g) =N¿H4…

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Q: Which of the following sets of conditions is true for an exothermic reaction that is spontaneous at…

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Q: waterand For the decomposition of hydrogen peroxide to H202(9) oxygen, → H20(g) + %02(g) AH = -106…

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Q: Predict the sign of the entropy change of the system for each of the following reactions: (a) N2(g)…

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Q: 12) Calculate AG°, Dn for the following reaction at 25.0 °C. Is the reaction spontaneous? 3 H2 (g) +…

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Q: 9. Which of the following statements best describes the entropy of water that freezes in a beaker?…

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Q: Predict the sign of ΔSorxn (positive or negative) for the following reactions:…

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Q: For a particular reaction, AH° = 67.7 kJ and AS° = 126.9 J/K. Assuming these values change very…

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Q: Nitric oxide reacts with chlorine to form NOCI. The data refer to 298 K. 2NO(g) + Cl2(3) → 2NOC(g)…

A: The standard Gibb's free energy change of a reaction at 298 K can be calculated by the following…

Q: For the decomposition of solid calcium carbonate at 25 C, CaCO3(s) CaO(s) + CO2(g) (a) Calculate rG…

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Q: Consider the formation reaction of water, the hydrogen balloon reaction: 2 H,(g) + 0,(g) → 2 H,O(g)…

A: The reaction given is, => 2 H2 (g) + O2 (g) → 2 H2O (g)

Q: Consider the following reactions. I.     NaCl (s) ⇌ Na+ (aq) + Cl- (aq)                 ΔG  0…

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Q: 2 C4H10 (g)  +  13 O2 (g)   →    8 CO2 (g)  +  10 H2O (g)  a) Without consulting the tables, what…

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Q: The following AG are for different reactions. Which reactions would be spontaneous if all conditions…

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Q: 16. The standard enthalpy of vaporization of methanol is 35.2 kJ/mol at its normal boiling point,…

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Q: The reaction N2(g) + 3 H2(g) → 2 NH3(g) is thermodynamically spontaneous at 298 K, but becomes…

A: We know that  ΔG = ΔH - TΔS For a reaction to be spontaneous ΔG must be negative. For a spontaneous…