For the reaction CaO(s) + CO2(g)CACO3(s) at 298 K, AG = -130.9 kJ/mol, AH= -178.3 kJ/mol, AS = -159 J/mol-K. At 298 K, the reaction is spontaneous. At what temperature (in K) does the reaction become nonspontaneous? Please take note of units.

Q: Čonsider the reaction of NO and Cl2 to produce NOC1.a) What is AS°(system) for this reaction and…

A: When NO reacts with Cl2 to form NOCl ;  2NO(g) + Cl2 (g) ==> 2 NOCl (g)

Q: A chemical reaction has a standard entropy change, ΔSo, of -287.8 J/(molK) and a standard enthalpy…

A: The given data you have - ΔSo = -287.8 J/K-mol ΔHo =  -138.1 kJ/mol

Q: For each reaction with ΔH = + 187 kJ/mol and ΔS = + 365 J/molK ,at what temperature at which the…

A: Given: ΔH = +187 KJ/mol or +187000 J/mol ΔS = +365 J/molK We have to calculate temperature(T) at…

Q: Copper Metal is obtained by smelting copper(I) sulfide ores: Cu2S(s) + O2(g) → 2 Cu(s) + SO2(g) Use…

A:

Q: Consider the reaction described by the chemical equation shown. 3 C,H, (g) → C,H,(1) AHxn = -633.1…

A: here we are required to find the change in entropy and standard Gibbs free energy for the conversion…

Q: Consider the reaction:  H2S(g)+SO2(g)---> 3S(g)+2H2O(l) for which delta H is -233 kJ and delta S…

A: Given:

Q: Consider the reaction described by the chemical equation shown. C,H,(g) + H,O(1) → C,H,OH(1) AHân =…

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Q: 14 For a process with AH 0 ΟΔΕ >0 O AS > 0 O Never. 20 The standard enthalpy of reaction, AHf pen,…

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Q: Given the chemical reaction:  2 NO2 (g) → N2O4 (g) where ΔH∘∘ = −57.2 kJ/mol and ΔS∘∘ = −176…

A:

Q: (a) Can endothermic chemical reactions be spontaneous?(b) Can a process be spontaneous at one…

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

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

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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 reaction: Al(s) + Fe₂O3(s) → Fe(s) + Al₂O3(s) has AH = -847.6 kJ and AS = -41.3 J/K at 25 °C.…

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Q: [1] Given: CH«(g) + H2O(g) – CO(g) + 3H2(g). AH° for the reaction is +206.1 kJ/mol, while AS° is…

A: 1. Given :  CH4(g) + H2O(g) → CO(g) + 3H2(g)  ∆H° = +206.1 kJ/mol  ∆S° = +215 J/K.mol  T = 25°C  To…

Q: The following reaction for the formation of glucose from carbon dioxide and water:…

A: The given reaction is,

Q: The figure represents the spontaneous evaporation of nitrogen in which liquid nitrogen, N2 (/ ),…

A: 22. Given reaction,     N2(l)  →  N2(g)

Q: Calculate the ΔG of the acid/base neutralization reaction of HCl (aq) and solid calcium  hydroxide.…

A:

Q: 3. 1. N2(g)+3112(g) -->2NH3(g) If AH = -92.2kJ and AS- -0.1987k/K, what is AG for the reaction at…

A:

Q: (Q77) The standard Gibbs free energy (AG°rxn) for the formation of sulfur trioxide from sulfur…

A:

Q: 8. A reaction has AH° = 100 kJ/mol and AS°=250 J/mol-K. Is the reaction spontaneous at room…

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Q: Consider the following reaction at room temperature:                         Co(s) + Fe2+(aq, 1.94…

A: The above Nernst equation could be simplified as, Ecell=E°cell-0.0592VnlogQ

Q: An ice cube at 0 C melts when placed inside a room at 22 C (295 K). Based on the concepts of…

A: We need to identify the concept of spontaneity behind melting of ice according to thermodynamics.

Q: 1. What thermodynamie quantity is used to determine whether a chemical reaction will proceed…

A: When a reaction proceed on its own without any external aid, it is called spontaneous reaction.

Q: If the Delta*H = 135kJ / m * ol and AS 92 J/K mol, at what temperature does this reaction become…

A:

Q: For the reaction CaCO3(s) → CaO(s) + CO2(g)       ΔHo = -17.8 kJ  and ΔSo = -161 J/K,  at standard…

A: Enthalpy change of a chemical reaction is used to measure the amount of heat energy released or…

Q: [1] Given: CH.(g) + H2O(g) CO(g) + 3H2(g). AH° for the reaction is +206.1 kJ/mol, while AS° is +215…

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Q: the decomposition of ammonia to nitrogen and hydrogen gas. Substance S° (J/mol · K) H2(g) 130.7…

A: Entropy measures the randomness of the molecule. Gaseous molecule have higher entropy than liquid…

Q: A chemical engineer wants to determine the feasibility of making ethanol (CHOH) by reacting water…

A:

Q: If the AH = 200 kJ/mol and AS = 133 J/K mol, at what temperature does this reaction become…

A: Given: ∆H for the reaction = 200 kJ/mol ∆S for the reaction = 133 J/K mol We have to calculate the…

Q: Consider the figure below which shows AG" for a chemical process plotted against absolute…

A: The standard Gibbs free energy of reaction is the Gibbs free energy of a reaction calculated at the…

Q: Given the reference thermodynamic data below taken at 25°C, calculate the value of the equilibrium…

A: The reaction for given process is : N2(g)  +  3H2(g)  ⇌  2NH3(g) Given that : ΔGº = -32.96 kJΔHº =…

Q: For a reaction for which AH = -142 kJ/mol and AS = -178 J/mol· K, which of the following statements…

A: If ∆G is negative, the process is spontaneous and may proceed in the forward direction. If ∆G is…

Q: I need help with number 3 thank you

A: The Gibbs free energy can be defined as a thermodynamic potential which is used to calculate the…

Q: For which set of values of AH and AS will a reaction be spontaneous at all temperatures? O AH = +10…

A: For a reaction to be spontaneous, change in free energy for a reaction must be negative.

Q: Consider a process which has ΔSuniv > 0 at 25°C. Which of the following statements is/are always…

A: Given that : We have to identify which of the following statements is/are always true : I) The…

Q: What should be the sign of EMF for the reaction to be considered spontaneous? Why?

A: The Gibbs free energy for a spontaneous reaction has a negative sign. ∆G = -ve for spontaneous…

Q: 4. The entropy change for the process H2O(s) → H2O(1) is 22.1 J/K and requires that that…

A: Given:  ∆Ssystem = 22.1 J/K  qsystem = -qsurrounding = 6.0 KJ = 6000 J  Temperature (T) = 10°C = 283…

Q: 5-For the reaction, A+B C, AH-+30 kJ; AS°=+50 J/K.Therefore the reaction is: (a) spontaneous at all…

A: ∆Hf°is the standard enthalpy change when one mole of a substance is produced from its constituent…

Q: For the reaction given below, AH--1516 kJ at 25 C and AS--432.8 J/K at 25 C, This reaction is…

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Q: or a particular reaction, AH = -93.8 kJ and AS = -156.1 J/K. Assuming these values change very…

A: Solution - According to the question - Given - ΔH° = -93.8kJ ΔS° = -156.1J / K = -156.1x 10^-3 kJ /K…

Q: 9) For which set of values of AH and AS• will a reaction be non-spontaneous at 25°C? a) AH• = -10…

A: Multiple question

Q: 9. For the following reaction at 298 K, AS = -308.2 J/K and AH = -192.7 kJ: 4NO(g) N₂O(g) + N₂O₂(g)…

A: Given reaction is 4NO(g) → NO(g) + N₂O3(g) For this reaction at 298 K , ΔS= -308.2 J/K and = -0.3082…

Q: The standard enthalpy of formation of SnCl₂ (s) is - 340 kJ/mol and that for SnCl4 (s) is-511…

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Q: For a chemical reaction to be spontaneous at all temperatures, which of the following conditions…

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

Q: A certain reaction is spontaneous at 65 ° C. If the enthalpy change for the reaction is  15…

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Q: For a particular reaction, AH = 20.1 kJ/mol and AS" = 45.9 J/(mol-K). Assuming these values change…

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

Q: . Chloroform, CHC13, has a normal boiling point of 61 °C and it enthalpy of vaporization is 29.24…

A: Formula used:- ∆G°=∆H°-T∆S° But in this condition ∆G° = 0  Thus new formula is ∆S° = ∆H°/T

Q: The normal freezing point of n-octane 1C8H182 is -57 °C. In what temperature range is the freezing…

A: For freezing process  ∆H < 0  and ∆S < 0  So,  ∆G = ∆H - T∆S  at low temperature  ∆G < 0…

Q: If AH = -70.0 kJ and AS = -0.300 kJ/K , the reaction is spontaneous below a certain temperature.…

A: Formula used ΔG = ΔH−TΔS for reaction to be spontaneous  ΔG > 0 for spontaneous reaction  ΔH =…