Above what temperature does the following reaction become nonspontaneous?               2 H2S(g) + 3 O2(g)  → 2 SO2(g) + 2 H2O(g)           ΔH =  -1036 kJ;  ΔS =  -153.2 J/K   A) 6.762 × 103 K                             B) 158.7 K                                C) 298 K D) This reaction is nonspontaneous at all temperatures. E) This reaction is spontaneous at all temperatures.

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: 6. Consider the reaction: CH,OH(/) + 30:(g) If the reaction mixture expands under constant pressure…

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Q: Consider the following chemical reaction:   C6H6(l) + O2(g) --------------> CO2(g) + H2O(g)…

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Q: The reaction (Tindak balas): N2 (g) + 3H2 (g) ⇌ 2NH3 (g) Given (Diberikan): ΔH = 92.22 kJ/mol ΔS =…

A: Given: ∆H = 92.22 kJ/mol = 92.22×103 J/mol ∆S = -198.75 J/K•mol

Q: At high temperature, methanol vapor decomposes according to the following equation:…

A: given equation is           CH3OH(g)  -->  HCHO(g)  +  H2(g)   DHo = 85.0 kJ DSo = 110 J/K PH2 =…

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

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Q: Given the AH°f, calculate the AH°xn for the formation of diamond from graphite. AH°; (C, graphite) =…

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Q: Why do we heat the prepared solution KMnO4 to a boiling boil for 1hr

A: KMNO4 solution is heated to boiling for 1 hour.

Q: Consider the reaction 2 NO2(g)  N2O4(g) . (a) Using Gf N2O4(g) = 97.79 kJ/mol and Gf NO2(g) = 51.3…

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Q: Consider the generic reaction:                          3A + 2B --> C + 3D…

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Q: Consider the following reaction at 298 K. C(graphite) + 2 Cl,(g) CCI,(1) AH° = -139 kJ Calculate the…

A: Given reaction is :  C (graphite) + 2Cl2 (g) ----------> CCl4 (l) , ΔH0 = -139 KJ   Then,…

Q: The decomposition of magnesium carbonate is shown MgCO3(s) ⟷⟷ MgO(s) + CO2(g) ΔHo =…

A: A)increase the temperature

Q: 7) a) Is entropy increasing or decreasing in the following reactions? Explain CH: (g) + H20 (g) → co…

A: Given information:

Q: For the reaction: C(s) + 2H2O(g) CO2 (g) + 2H2 (g), the H°= 155.5kJ/mol and S°= 124.9J/mol∙K.…

A: For , reaction to be spontaneous ∆G° must be negative . And , ∆G° = ∆H° -T∆S°  Here , we will…

Q: For the oxidation of solid elemental sulfur to gaseous sulfur dioxide S (s, rhombic) + O2 (g) -->SO2…

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Q: Above what temperature does the following reaction become nonspontaneous? N204(9) + 4 H2(g) → N2(9)…

A:

Q: Which one of the following reactions cannot proceed spontaneously as written at any temperature?…

A: For a reaction having ∆H positive and ∆S negative can not be spontaneous.

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: SO3 + H2O -> H2SO4 Is this chemical reaction spontaneous or non- spontaneous? Fast or slow?

A: The importance of Gibbs energy is that it gives information about the spontaneity of the reaction or…

Q: 73. Given the following data Ca(s) + 2C(graphite) → CaC2(s) Ca(s) + O,(g) –→ CaO(s) CaO(s) + H,O(1)…

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Q: 46. Which of the following involves a decrease in entropy? A) the sublimation of solid CO2 into CO2…

A: The correct answer about entropy is given below

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

A: If the value of ∆Go for the reaction is negative then, the reaction is spontaneous and…

Q: How many of the following processes are nonspontaneous? climbing stairs dissolving salt in water…

A: Spontaneous process: Process that happens automatically without expenditure of energy. ∆G = -Ve for…

Q: Consider the reaction 2 NO2(g)  N2O4(g) . (a) Using Gf N2O4(g) = 97.79 kJ/mol and Gf NO2(g) = 51.3…

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Q: What is the ΔHorxn for the production of propane, C3H8, given the following reaction enthalpies:…

A: We have given that  What is the ΔHorxn for the production of propane, C3H8, given the following…

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

A:

Q: 5. Which of the following are factors that determine whether a reaction is spontaneous or…

A: Any process is called spontaneous if there is not any output force is applied during the process or…

Q: Which of these processes are nonspontaneous? Are the nonspontaneous processes impossible?a. a bike…

A:

Q: Given the following information at 25°C, calculate AG" at 25°C for the reaction 2A(9) + B(9) + 3C(9)…

A: The reaction given is, => 2 A (g) + B (g) ------> 3 C (g)

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

A: Given: Temperature = 25 °C = 298 K (a) ∆H° = +137 KJ , ∆S° = 120 J/K (b) ∆H° = -241.82 KJ , ∆S° =…

Q: For the reaction CH4(g) + H2O(g)3H2(g) + CO(g) H° = 206 kJ and S° = 215 J/K G° for this reaction…

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Q: Classify each of the following reactions as spontaneous only at low temperatures (i), only at high…

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Q: Consider a preparation of hydrogen that involves the reaction between carbon monoxide, CO and steam…

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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: 1. Iron(II) oxide (FeO) is used in cosmetics and in tattoo inks as a dye. Iron(II) oxide reacts with…

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Q: What is the change in internal energy (in kJ/mol) of the given reaction if 2 moles of sulfur dioxide…

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Q: Which reaction does NOT occur? O a. C,H,COCI + CH,NH, C,H,CONHCH, + HCI O b. CH,COOH + CgH,OH…

A: (a.) C6H5COCl + CH3NH2 → C6H5CONHCH3 + HCl So, it occurs. (b.)  CH3COOH + C6H5OH → CH3COOC6H5 +…

Q: C6H12O6(s)+ 6 02(g) 6 CO2(g) + 6 H2O(g) AS ran = +900. J/(mol,n K) Substance Approximate S (J/(mol…

A: We have to tell which option is correct

Q: A mathematical interpretation of First Law of Thermodynamics is: O a. Q=ART O b. Q=AU + A C. Q=RT

A: Given  First law of thermodynamics

Q: For the reaction CO(g) + 3H2(g)CH4(g) + H2O(g) H° = -206 kJ and S° = -215 J/K At standard…

A: We know that a reaction equilibrium is product favored or in simple words, spontaneous, when Now,…

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: Which one of the following reactions cannot proceed spontaneously as written at any temperature?…

A: Normally for those thermochemical Reactions in which the value of Gibb's free value is negative, are…

Q: Consider the reaction: 2 H,0(g) → 2H,(g) + 0,(g) If 2.0 moles of H2O(g) are converted to H2(g) and…

A: Step : 1               Calculate the change in internal energy for the reaction.

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: The value of ΔG° at 141.0°C for the formation of phosphorus trichloride from its constituent…

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

A: Enthalpy change of reaction  ∆ H = - 890.0 kJ / mol Mass of methane = 1.80 g  We need to find heat…

Q: Predict the conditions (high temperature, low temperature, all temperatures, or no temperatures)…

A: The sponatneity of the reaction is measured in terms of the gibbs free energy. The gibbs free energy…

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…