drug used to treat hypertension undergoes a decomposition reaction to give an insoluble product. What is the limiting temperature if the enthalpy of the reaction at 298 K is 54.1 kJ mol-1 and the entropy of the reaction at this temperature is 120.81 J K-1 mol-1?

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A: If for a reaction ∆G= -ve => forward rxn is spontaneous ∆G= +ve => reverse rxn is spontaneous…

Q: A chemical engineer is studying the two reactions shown in the table below. In each case, he fills a…

A: 1) Given : ΔH = 1005 KJ = 1005000 J                                                 (since 1 J =…

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Q: 2NH₂(g) → N₂(g) + 3H₂(g) ΔΗ = 92. kJ AS = J K AG 25. kJ Which is spontaneous? this reaction the…

A: Given :  For first reaction :  ∆H = 92. kJ  ∆G = 25. kJ  Temperature = 70 °C = 343 K For second…

Q: For the reaction NH,NO3(aq) – N20(g) + 2 H2O(1) AG° = -179.1 kJ and AH° = -149.6 kJ at 295 K and 1…

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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

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A: A spontaneous reaction is a reaction that favors the formation of products at the conditions under…

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A: Given: ΔH = -20.0 KJ/mol = -20000 J/mol. And ΔS = 34.0 J/K.

Q: The vaporisation of a certain element at 24.0 oC has the following enthalpy and entropy values:…

A: Given,  Hvap = 3.40 kJ mol-1     Svap = 246 J K-1 mol-1. Temperature = 24.0 °c = 297 K Now, □Stotal…

Q: 00 mol He gas, regarded here as a perfect gas, und <pansion at 20.0 °C from 1 atm to 3 atm.…

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Q: A chemical engineer is studying the two reactions shown in the table below. In each case, she fills…

A: If given free energy is positive then the reaction is non spontaneous and vice versa. Using all the…

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Q: For the reaction CH4 (9) + H₂O(g) - 215 J/K CO(g) + 3H₂(g) → AH° = -206 kJ and AS⁰ The equilibrium…

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Q: True or False: The entropy of the reaction decreases with the following reaction. Think about what…

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Q: he balanced equation for the reaction of ammonia and oxygen is the following. 4 NH3(g) + 5 O2(g) →…

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Q: What is the change in entropy in a large mass of water at 50 °C when it receives 155 kJ of energy in…

A: Answer is explained below. Given that, the change is reversible and the mass of water is large…

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Q: Which one of the following is not a state function? enthalpy heat entropy O Gibbs free energy

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Q: Consider the reaction of 8 mol H2(9) at 25°C and 1 atm with 8 mol Br2 (1) at the same temperature…

A: The given reaction is: ∆G˚f = -53.5 kJ/mol Calculation of maximum useful work: As the reactants…

Q: A chemical engineer is studying the two reactions shown in the table below. In each case, he fills a…

A: Value of ∆G or ∆S can be calculated using relation :∆G = ∆H - T∆S reaction is spontaneous if ∆G is…

Q: A chemical engineer is studying the two reactions shown in the table below. In each case, he fills a…

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Q: A cup of hot water is left to cool in a room at 20 °C. If the cup contains 400 g of water initially…

A: Given: mass of water = 400 g Specific heat of water c = 4.182 J K-1 g-1 Temperature change ΔT = (20…

Q: For an exothermic reaction with an enthalpy value of -10 Joules and an entropy of -5 Joules per…

A: Given that  The change in enthalpy, ∆H = -10 J The change in entropy, ∆S = -5 J/K The temperature at…

Q: A chemical engineer is studying the two reactions shown in the table below. In each case, he fills a…

A: The formula used here is, ∆G = ∆H - T∆S ∆G = Gibbs free energy of a reaction ∆H = reaction enthalpy…

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Q: Complete the table. That is, calculate AG for the first reaction and AS for the second. (Round your…

A: The relationship between ∆G, ∆H and ∆S is as follows: ∆G=∆H - T∆S ∆H is change in enthalpy of…

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Q: A chemicai engineer is studying the two reactions shown in the table below. In each case, he fills a…

A: ΔG ΔH ΔS Spontaneous at all temperature - + Spontaneous at low temperature - -…

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Q: At 25 ̊C, the rhombic form of sulfur is the most stable form, which undergoes a transition at 95 ̊C…

A: Temperature = 25oC = 298.15 K = T ΔH = 0.402 kJ mol-1 = 402 J mol-1 Use this relationship to find ΔS…

Q: Al₂O₂ (s) + 2Fe(s) → 2Al(s) + Fe₂O₂ (s) CO₂(g) + 2H₂O(g) → CH₂(g) + 20₂ (8) - ΔΗ = AS = 2044. AG =…

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Q: Calculate the entropy change associated with the isothermal compression of 0.720 mol of an ideal gas…

A: here the concept is entropy and given the condition is isothermal; compression ' so T=0, Constants…

Q: A chemical engineer is studying the two reactions shown in the table below. In each case, he fills a…

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Q: A chemical engineer is studying the two reactions shown in the table below. In each case, he fills a…

A: As we know, ∆G = ∆H - T∆S  A reaction is Spontaneous if ∆G is negative.  While reverse reaction is…