Consider the following reaction: 2 NO(g)  N2(g) + O2(g) The enthalpy change at 298 K for this reaction is Horxn = -180.74 kJ/mol. Under the same conditions the entropy change for the reaction is Sorxn = -24.71 J/mol-K. Calculate the value of Keq for this reaction at 8214 K. Assume that Horxn

Q: Determine K for a reaction at 200 K if ∆G° =23.7 kJ/mol. (R = 8.314 J/mol ･ K)

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Q: What is that the entropy change of the universe (J/mol-K) when the entropy change of the system is…

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Q: For a particular reaction at 236.0 °C, AG=-848.32 kJ, and A.S= 648.46 J/K. Calculate AG for this…

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Q: For the reaction HCl(g) + NH3(g)NH4Cl(s) G° = -98.5 kJ and S° = -284.8 J/K at 272 K and 1 atm.…

A: For a spontaneous reaction, the decrease in Gibbs free energy , -∆G represents the maximum amount of…

Q: Consider the reaction Cl,(g) + Br,(g) → 2 BrCI(g) at 25 °C. Using the information in the table,…

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Q: For a particular reaction at 187.3 °C, AG = -989.95 kJ, and AS = 662.97 J/K. Calculate AG for this…

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Q: For a particular reaction at 231.7 °C, AG = -1357.31 kJ, and AS = 770.30 J/K. Calculate AG for this…

A: Formula: ∆Gsystem = - T∆Stotal  ∆G1 = - T1 x ∆S     -------(i) ∆G2 = - T2 x ∆S    -------(ii)…

Q: Calculate AH°rxn for the following reaction using the values in the Table below. Enter in kJ SiO₂…

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Q: For the reaction 2CO(g) + 2NO(g)2CO₂(g) + N₂(g) AH° = -746.6 kJ and AS° = -198.0 J/K The maximum…

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Q: Given that AH°; for HCl(g) is -92.3 kJ/mol, calculate the AH°; in kJ/mol for FeCl2 (s).

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Q: When work is done on a system to bring it into an ordered state which of the following is true? O…

A: Answer  when work is done on the system If work is done on the…

Q: Above what temperature does the following reaction become nonspontaneous? 2 H2S(g) +3 02(g) - 2…

A: Given, The balanced chemical equation is given below, 2H2O(g)+3O2(g)→2SO2(g)+2H2O(g) Then, ∆H=-1036…

Q: For a particular reaction at 197.0 °C, AG = 495.90 kJ, and AS = 743.47 J/K. Calculate AG for this…

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Q: The heat of vaporization of carbon disulfide, CS2, at 25 C is 27.2 Kj/mol. What is the entrophy…

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Q: Enter your answer in the provided box. À reaction will be spontaneous only at low temperatures if…

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Q: Consider the following reaction: SO:{3) + CaO(s) = CasO4ls). If AG°is - 345 kJ/mol for this reaction…

A: Given, ∆G ° = -345 KJ/mol  Temperature = 298 K  Keq = ?

Q: nspontaneous? eO(s) + CO(g) CO₂(g) + Fe(s) AH = -11.0 kJ; AS = -17.4 J/K Find AS surr and predict…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: Theoretically, one can obtain zinc from an ore containing zinc sulfide, ZnS, by the reaction ZnS(s)…

A: Answer :-  a) ∆H° = 206.0 (kJ) b) ∆S° = 15.7 (J/K)  c) ∆G° = 201.3 (kJ)  d) Since, ∆H°, ∆S° and ∆G°…

Q: maximum work ti

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Q: For the reaction 2CO(g) + O2(g)2CO2(g) G° = -515.1 kJ and S° = -173.1 J/K at 294 K and 1 atm. The…

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Q: Calculate the entropy change (in J/K) of the universe (AS universe) that takes place when phosphene…

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Q: 2CO2(g) + H2O(l) --> C2H2(g) + 5/2O2(g)  = 1300.0 kJ H2(g) + 1/2O2(g) --> H2O(l)  = -286.0 kJ CO2(g)…

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Q: The reaction SiO2 (s) + Pb(s) → PbO2(s) + Si(s) is spontaneous: AGf (PbO2(s)) = -217 kJ/mol AGF…

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Q: For a particular reaction at 196.8 °C, AG = -1266.45 kJ, and AS = 529.15 J/K. Calculate AG for this…

A: ∆G = ∆H - T∆S

Q: If the entropy of a reactions is -264.54 J/ mole K and the enthalpy of the reaction is 117.63 kJ/…

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Q: For a particular reaction at 166.5 °C, AG = -376.61 kJ, and AS = 144.83 J/K. Calculate AG for this…

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Q: Consider the following reaction at constant pressure. Use the information below to determine the…

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Q: 1: Above what temperature does the following reaction become nonspontaneous? FeO(s) + CO(g) → CO₂(g)…

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Q: When 1.99 g of sucrose is combusted in a constant volume (bomb) calorimeter, 32.8 kJ of heat is…

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Q: In freezing a mole of liquid water at the freezing point; the enthalpy of fusion is 6.0lkJ/mol…

A: The enthalpy of fusion is 6.01 KJ/mol To determine : entropy of system , surrounding and universe

Q: Consider the following half-reactions: F2(g) + 2 e ® 2 F(aq) E° = +2.87 V Cu2+(aq) + 2 e ® Cu(s)…

A: You have asked multiple type questions, we will solve only first  questions for you. If you want any…

Q: At what temperature does the following reaction become spontaneous?  Is it spontaneous below this…

A: Given that delta S is -144.7J/K and the value of delta H is -1152 kJ. Since both values are…

Q: 1: Above what temperature does the following reaction become nonspontaneous? FeO(s) + CO(g) → →…

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Q: Calculate the entropy change of the universe (J/mol-K) when the entropy change of the system is 38.4…

A: Given the entropy change of the system, ∆Ssystem = 38.4 J/mol-K

Q: A reaction has ΔH∘rxn= -139 kJ and ΔS∘rxn=303 J/K .     Part A At what temperature is the change in…

A: GIven: ΔH∘rxn= -139 kJ=-13900 J ΔS∘rxn=303 J/K . Now, ∆Ssurrounding = ∆Hreaction / T

Q: 6) Consider H;0 going from the gas phase to liquid phase to solid phase. Describe the changes in…

A: In the vapor state, the gas phase of water, water molecules have the highest kinetic energy and this…

Q: enthalpy a state function. Fill in the blank: 4. For a change that takes place at constant pressure,…

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Q: The enthalpy change for a reaction can be calculated using the formation enthalpies of the products…

A: Each chemical reaction is associated with the donation or acceptance of a certain amount of energy.…

Q: value for ΔrS°, in units of J K-1‑mol-1 at 25 °C?

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Q: The standard enthalpy change and standard entropy change for the reaction are: A,HP = -666.2 kJ…

A: The spontaneous nature of the reaction is determined by calculating the change of free energy of the…

Q: For a particular reaction at 179.4 °C, AG = -801.20 kJ, and AS = 915.51 J/K. Calculate AG for this…

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Q: Consider a chemical reaction with a change in enthalpy of 845 kJ/mol and a change in entropy of…

A: Gibbs free energy, called G, incorporates enthalpy and entropy into a single value. The shift in…

Q: The reaction: 2 Mg + O2 --> 2 MgO has Δ Hrxn = -600. kJ/mol. Determine q for the reaction of 10.0…

A: To solve this problem first we have to calculate the number of mole of Mg in 10.0 g  Then according…

Q: What is the entropy change (in J/K) when 43.3 g of liquid sulfur at its melting temperature of…

A: Answer:Entropy is the measure of system's disorderliness or randomness. In more possible microstates…

Q: When 10.00 grams of NH4CN (s) is dissolved in 120.0 grams of water inside a perfect calorimeter, the…

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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: The vaporization of ethanol CH,OH() → CH;OH(g) at its normal boiling point, 351 K, has AS = 110. J/K…

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Q: Exothermic Endothermic Honer than suroundings Heat Heat Cooler than sunoundinge Heal Neal Heal Heat…

A: We know that,  Entropy measure randomness. It means that, more randomness means more entropy as like…

Q: If the entropy of a reactions is -264.54 J/ mole K and the enthalpy of the reaction is 117.63…

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