A certain reaction is at equilibrium at 134 °C.  If the enthalpy change for the reaction is 198 kJ/mol, the value of ∆S for the reaction is Group of answer choices 677 J/K 487 J/K 1.48 J/K 2.06 J/K

Q: Consider the reaction below: CaCO3(s) + 2H3O+ (aq) H=15.3kJ Since AH is a positive v a Therefore,…

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Q: The dissolution of ammonium nitrate occurs spontaneously in water at 25 °C. As ammonium nitrate…

A: On dissolution, the temperature of the reaction decreases which means that the reaction is…

Q: Consider the following reaction: CO2(g)+CCl4(g)⇌2COCl2(g) Calculate ΔG for this reaction at25 ∘C…

A: ∆Gr°  = 2 × ∆Gf , COCl2 (g)°  - ∆Gf , CO2 (g)°  - ∆Gf , CCl4 (g)°            = 2 x (-204.9) - (…

Q: For the reaction below at constant pressure and 298 K, ΔSsurroundings = ____ kJ/mol.   N2(g) +…

A: ∆S(surrounding) = - ∆H / T

Q: For the following reaction:    H° = -1037 kJ and S° = -153 J/K Calculate G° at 25°C for this…

A: Given that : H° = -1037 kJ = -1037000 J and S° = -153 J/K We have to calculate G° at T = 25°C = 298…

Q: Select the exothermic reaction. A) B) C) D) 4CO(g) + Fe;O4(s) 3Fe(s) + 4CO2(s) → AH = +12.5 kJ 4…

A: In exothermic reaction heat is released whereas in endothermic reaction heat is absorbed.

Q: 1. For the reaction at 25̊ C, find ∆G° and determine what type of reaction/process takes place. a.…

A: Gibbs energy or free enthalpy, is a quantity that is used to measure the maximum amount of work done…

Q: Consider the following reactions and the given thermodynamic data. Select the CORRECT statement…

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Q: For the reaction CO2(g) + H2(g)CO(g) + H2O(g) H° = 41.2 kJ and S° = 42.1 J/K G° for this reaction…

A: Given reactionCO2(g) + H2(g)   ---->  CO(g) + H2O(g)H° = 41.2 kJ and S° = 42.1 J/K Numerically,…

Q: At the end of which of the following reactions will the temperature of the surrounding increases?…

A: The energy difference of the products and reactants is known as the energy change of a reaction.

Q: Dichotomize between thermodynamics and thermochemistry.

A: We have to  discuss the dichotomize between thermodynamics and thermochemistry.

Q: For the reaction, 4KClO3(s) → 3KClO4(s) + KCl(s) Calculate ΔGosys for the process at 298 K if…

A: ∆Gsyso = ∆Hsyso - T ∆Ssyso  where     ∆Hsyso = Standard enthalpy change of system = - 144.3 KJ x…

Q: The ∆H and ∆S for the decomposition of sulfur tetrabromide to sulfur and liquid bromine is +115 kJ…

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Q: 5.) Above what temperature does the following reaction become nonspontaneous? (hint: use: ΔG-ΔΗ-…

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

Q: For the below endothermic chemical reaction, ASsys is [ Select ] and ASsurr is [ Select ] * meaning…

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Q: A 65.5 gram piece of glass (c 0.840 J/g C) is heated to 177"C and dropped into a beaker containing…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 4.36)  Predict the signs of ΔH, ΔS, and ΔG of the system for the following processes at 1 atm:  (a)…

A: (a)Given,Normal melting point of ammonia is -77.7 degree Celsius.In this reaction, ammonia melts at…

Q: Using Hess’s Law, show or describe how the given equations below can be used to calculate the…

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Q: (7) Calculate A G° for the reaction given the following information: 2502(g) + 02(g)→ 2s0;(g) AG for…

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Q: A 65.5 gram piece of glass (c = 0.840 J/g C) is heated to 177°C and dropped into a beaker containing…

A: Since you have posted multiple questions, we will solve only the first question for you. To get…

Q: C (s) + O2 (e) -100 -200 CaO(s) + CO2 (g) 2 (8) -300 CO 2 (8) CaCO3 (s) -400 Gibbs Free Energy…

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Q: (a) Is an endothermic reaction more likely to be sponta-neous at higher temperatures or lower…

A: Since you have posted multiple questions, we will solve only one question for you. If you any…

Q: 1. Consider the freezing of liquid water at - 10°C and 1 atm. For this process, what are the signs…

A: Freezing of water at -10℃ and 1 atm, H2O (l) ⇌ H2O (s)

Q: For a certain reaction, AH° = 10 kJ and AG° = 15 kJ at 250 K. What is %3D the AS° for this reaction?…

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Q: Reaction: P4(s) + 10Clg(g) ----> 4PCl5(s) + 452kcal This reaction is _____ because the sign of…

A: The sign of  is positive for endothermic reaction.The sign of  is negative for exothermic…

Q: Calculate ∆S°for the following reaction: SnCl4(l)→SnCl(g) A :-625J/K B: 107J/K C: 625 J/K D:…

A: Concept based on the standard entropy of the chemical reactions.

Q: Consider the following reaction: 2 Al(s) + 6 HCl(g) 2 AlCl3(s) + 3 H2(g) H° = −150.4 kJ/mol For…

A: We are given the following reaction: 2 Al(s) + 6 HCl(g) ---------> 2 AlCl3(s) + 3 H2(g) ∆H° =…

Q: Determine the AH° for the overall reaction based on the three-step thermochemical processes below:…

A: ∆H values -  Reaction 1 = 167.5 KJ  Reaction 2 = 341.4 KJ  Reaction 3 = 43.4 KJ  Final reaction = ?

Q: If q = –96 kJ for a certain process, that process a. requires a catalyst. b. is exothermic. c.…

A: The answer if option b. , that is the process is exothermic. Because, the 'q' which is heat of the…

Q: (Q67) What is the entropy change (in J/K) in the universe (ASuniverse) that occurs when nitrogen and…

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Q: 6. Consider the reaction: N204(g) + 2NO2(g) Calculate AG for the reaction above at a temperature of…

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Q: What is the free energy change for the process shown here under the specified conditions? T = 25…

A: We know that ∆G = ∆G° + RTlnQ ..(1) Here, Q = pH2^3*pN2^1/pNH3^2 = (0.250)^3(0.870)/(12.9)^2 =…

Q: Calculate ΔS° for each of the following reactions. Explain the sign of ΔS° based on the molecular…

A: a)   N2H4(g) + H2(g) ⇌ 2 NH3(g) Standard entropy for N2H4(g) = 238.36 J/mol.K Standard entropy for…

Q: Given the following reaction: 9C (s) + + 12H2 (g) + 3/2 O2 (g) → 3C3H7 OH (1) If the enthalpy change…

A: 1)if the change in enthalpy is negative then reaction is exothermic 2) if change in Gibbs free…

Q: 3. Use the AH° and AS° values below to determine the range of temperatures (in kelvin, K) for which…

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Q: At 298 K, ΔH° for this reaction is -137.5 kJ/mol, and ΔS° is +120.5 J/K. What is the value of ΔG°…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What is the AG° if AH° is +58.7 kJ and AS° is +129 J/K at the temperature of 25°C ? 0 20.2 kJ…

A: Given : ΔHo = 58.7 KJ = 58700 J                       (Since 1 KJ = 1000 J) ΔSo = 129 J/K And…

Q: What is the free energy change for the process shown here under the specified conditions? T= 25 °C,…

A: Calculation of QP: QP=PN2×PH23PNH32=0.870×0.250312.92=0.000327

Q: 20) Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction:…

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Q: For the reaction N2(g) + O2(g)2NO(g) H° = 181 kJ and S° = 24.9 J/K G° would be negative at…

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Q: Under normal room conditions (standard pressure at about 20°C), water will not boil, so we do not…

A: Spontaneous process: A process which releases energy.  It means change in free energy must be in…

Q: 5.2) Calculate AE for the combustion of hydrogen chloride at 25°C. (The ideal gas constant R-8.314…

A: Given, the reaction for the combustion of HCl at 25 ∘C: 4HCl(g) + O2(g) → 2Cl2(g) + 2H2O(g) We have…

Q: Consider the following reaction: CO (g) + 2 H2 (g) - CH;OH (g) AH= -907 k Calculate the amount of…

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Q: Calculate △G° at 45°c for reactions for which a.  △H°=293 kJ; S°= -695j/k b. △H°= -1137 kJ;…

A: Use this formula to get all answers  ∆G= ∆H-T∆S ∆G is change in gibbs energy which tells us…

Q: Use the following data to determine the AH° for the conversion of diamond into graphite:…

A: From given data : Calculate ∆H ° for C(s, diamond) ---> C(s, graphite)

Q: A reaction has an equilibrium constant (K) of 90.9.  If the entropy of this reaction is -69.1 J/mol…

A: The thermodynamic property equals the total of internal energy along with the multiplication of…

Q: Determine the AH for the overall reaction based on the three-step thermochemical processes below:…

A: The steps of the reaction given are,

Q: For the reaction shown, at 25° C, dleta S  is0.00300 kJ/(mol K). Calculate the delta G for this…

A: The equation given below helps us to calculate the change in free energy in a system.

Q: The dissolution of ammonium nitrate occurs spontaneously in water. As NH4NO3 dissolves, the…

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