Calculate free energy change at 298 K for the reaction below: 2 Pb (g)  +  N2 (g)  →  2 PbN (s) ΔG° = –180.8 kJ PPb  =  0.025 atm,  PN2  =  0.037 atm Group of answer choices -146.0 kJ +207.0 kJ -154.4 kJ -26.5 kJ -162.5 kJ

Q: For the reaction: N2O4(g) ó 2 NO2(g)​Kp = 0.113 at 25.00 oC. The standard state free energy change…

A: Given: N2O4(g) <---> 2 NO2(g)       ​Kp = 0.113  at 25.00 oC. ∆G° = 5.40 kJ /mol

Q: a) H2(g)→ 2H(g) b) N2 (g. 1 atm) → N, (g, 8 atm) C) 2SO3(g) → 2SO,(g) + O2(g) d) C (Diamond) → C…

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Q: COCl2(g) ---> CO(g) + Cl2(g)   6. Is this reaction spontaneous under standard conditions? 7. If…

A: If there is an increase in the moles of gaseous compounds then the entropy change for the reaction…

Q: Which of the following reactions is expected to have a negative entropy change? 4NH: (g) + 50: (g) –…

A: Entropy is the degree of randomness . When the system is changed form Solid to liquid the degree of…

Q: In the presence of excess oxygen, methane gas burns in a constant-pressure system to yield carbon…

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Q: 2HBr(g) + Cl2(g)2HCI(g) + Br2(g) AH° =-81.1 kJ and AS° =-1.2 J/K The standard free energy change for…

A: The question is based on the concept of chemical thermodynamics. we have to calculate Gibbs free…

Q: Determine the free energy change for each of the following reactions, which are run under standard…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Estimate the free energy change (ΔGrxn) for the following reaction at 298 K, if each gaseous…

A: 2CH3OHl+3O2g⥮2CO2g+4H2Og∆G=?T=298 K , p=0.70 atm

Q: Which reaction is spontaneous at SATP?   ∆H=62.5 kJ, ∆S=-1.25 J/K   ∆H=-10.1 kJ, ∆S=-49.6 J/K…

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Q: The molar entropies of carbon monoxide and carbon dioxide at 25°C are 197.7 and 213.8 J/molK,…

A: The molar entropy in terms of micro-state is given as :

Q: For the reaction N, (g)+ 3H, (g) 2NH, (g), equilibrium pressures are Py, =2.6 atm, %3D PH, = 5.6…

A: Given reaction, N2 (g) + 3H2 (g) ⇌ 2NH3 (g) Given data, P(N2) = 2.6 atm P (H2) = 5.6 atm P (NH3) =…

Q: Identify whether each process is spontaneous or non-spontaneous. 1. A spoon dipped in boiling water…

A: A process which take place by itself or has a tendency to take place is called spontaneous process.…

Q: For the reaction: 2 NO2(g) ó N2O4(g)​Kp = 8.85 at 25.00 oC. The standard state free energy change…

A: Given, Kp of the reaction is 8.85 Temperature, T = 25 oC = 298K Standard free energy, ∆Go= -5.40…

Q: Consider the following reaction at 25°c: 3 국지2(g) + 국0,(g) + (g) → HNO, (ag) -H,(g) → HNO, (aq) (3)…

A: We have to predict the temperature range.

Q: ΔΗ 1353. kJ J AS = K 2co,() + 4H,0 (g) → 2CH,OH (g) + 30,(g) AG = 10. kJ Which is spontaneous? this…

A: Given ,  temperature, T =123°C = (123 +273 )K=396 K Pressure = constant

Q: Indicate whether the following statements are true or false: A reaction that is spontaneous in the…

A: Spontanity of a reactions describes the ease of a reaction to occur.

Q: For a particular reaction, AH° = 55.4 kJ/mol and AS° = 94.1 J/(mol-K). Assuming these values change…

A: To check the spontaneity of any thermochemical equation, Gibbs-Helmholtz equation is frequently…

Q: Refer to Appendix B in your textbook entitled Standard Thermodynamic Values for Selected Substances…

A: Given: 2SO2(g) + O2(g) -----> 2SO3(g) From standard Table:  ∆f H°(SO2(g))     = -296.8 kJ/mol ∆f…

Q: In the figure below, the standard free energy change is plotted in function of the temperature for…

A: Interpretation -  In this given figure below the standard free energy change is plotted in function…

Q: What is the entropy change (in J/K) associated with the formation of 15.0 g of SO2 for the reaction…

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Q: 10. A chemical reaction at the standard state has the enthalpy of reaction: A,H° = +117 kJ and the…

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Q: Estimate the free energy change (ΔGrxn) for the following reaction at 298 K, if each gaseous…

A: Equilibrium constant Kp for the reaction is determined.

Q: Use the information given below to calculate the standard reaction free energy, ΔG°rxn (in kJ), for…

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Q: Use the tables in the text to determine whether each reaction is spontaneous under standard…

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Q: 1. The equilibrium constant for a reaction is 10. What will be the value of ΔG0 ?  R = 8.314 JK–1…

A: We’ll answer the first question. Please submit a new question specifying the one you’d like answered

Q: Which reaction is most likely to have a decrease in entropy? O NaCl(s) → Na*(aq) + Cl(aq) O 2 NH3(g)…

A: When the reaction shows the positive entropy change then the reaction is spontaneous.

Q: Consider the reaction represented below, which is spontaneous at 298K SO2(g) + 2 NH3(g) → SO(NH2)2…

A: Those reaction which proceeds themselves in forward direction without any external support are known…

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: The free energy of formation for C10H14(g) is 144.920 kJ/mol. What is the equilibrium constant at…

A: At equilibrium, the total change in the Gibbs free energy has the value zero. The free energy of…

Q: Which of the following reactions results in a decrease in entropy? CaCO3 (s) CaO (s) + CO2 (g) N2O4…

A: Unit temperature measurement of the thermal energy method  is not usable for practical application.…

Q: Consider the following reaction; A(g) + B(s) c(g) + D(g); AH = -164.1 kJ; AG = -170.1 kJ at 298 K…

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Q: Use the Thermodynamic Quantities Table in your text (Appendix C) to calculate the equilibrium…

A: Given:  The reaction equation is given as -                                                  N2 (g)…

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

A: Given:

Q: Indicate whether the following statements are true or false: v A reaction that is spontaneous in the…

A: Given that

Q: Calculate the standard free-energy change at 25 ∘C for the following reaction:…

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Q: The standard free energy of formation of ammonia at 298 K is -16.5 kJ/mol. What is the value of Kp…

A: Given data:

Q: For the reaction C2H6 (g) → C2H4 (g) + H2 (g), ∆Ho is + 137 kJ/mol and ∆So is 120J/mol.K. This…

A: The relation between entropy change, enthalpy change and free energy change can be shown from the…

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: bove what temperature does the following reaction become nonspontaneous? FeO(s) + CO(g) - CO2(g) +…

A: The question is based on the concept of chemical thermodynamics. we have to identify the temperature…

Q: Consider the decomposition of gaseous N2O4: N2O4(g) → 2 NO2(g) ΔH° = +57.1 kJ/mol; ΔS° = +175.8…

A: A reaction is said to be exothermic if energy is released in the form of heat and light during the…

Q: Answer the questions on the following reaction at 575 degrees C. CaO(s) + 3 C(s) ----> CaC2(s) +…

A: Entropy represent randomness of particle as the randomness increase entropy also increase.

Q: A free energy diagram for the reaction A E is shown below: (products) G" (reactants) Reactants…

A: Some characteristics of a reaction with reaction quotient Q and equilibrium constant Keq are: If…

Q: What is the free energy change for the following reaction at 25 oC if the entropy        change at…

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Q: Which of the following substances is likely to have the highest entropy? Link to Physical Constants…

A: The substances given are He, H2, CO2, N2 and H2O (l).

Q: A certain reaction is spontaneous at 25°C. If the enthalpy change for the reaction is 29.8 kJ/mol,…

A: Given that:  T = 25°C = 25°C + 273 = 298K  dHrxn = 29.8KJ/mol

Q: Calculate the free energy change at 388 K for the reaction shown below: 3O2(g) → 2O3(g) Given the…

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Q: The change in entropy will be positive for which of the following reactions? Select one: a.BaF2(s)…

A: Here we are required to find the reaction where change in entropy is positive

Q: Below

A: Here, you can see both values of ∆H and ∆S are positive so if temperature is low then Reaction is…

Q: What must the reaction quotient Q be, if the free energy is -961.941 kJ at 25.0°C? 5C2H2(g) + 5…

A: We can solve this problem by using following equation ∆G = ∆G°-2.303RTlog Q Where  ∆G = free energy…

Q: Calculate the free energy change for the formation of one mole of ammonia from its elements under…

A: The formula that can be used in the solution is : ΔG° = ΔG°f(products) - ΔG°f(reactant)