Consider the reaction: A+2B -->C delta S° (A) = 138.22 J/molK delta g (B) = 235.87 J/molk delta g° (C) = 194.18 J/molK Determine the entropy change of the reaction at 298 K in J.

Q: At 25 ∘C, the equilibrium partial pressures for the reaction   A(g)+2B(g)↽−−⇀C(g)+D(g) were found…

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Q: The entropy change ΔS for a phase transition equals ΔH/T, where ΔH is the enthalpy change. Why is it…

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Q: Here is the reaction of carbon monoxide and hydrogen to form gaseous methanol at 298 K. (a)…

A: (a) ∆S° = -219.2 J/K (b) Sign of ∆S° = -ve (c) ∆H° = -90.5 kJ (d) ∆G° = -ve ( spontaneous reaction )

Q: When calcium carbonate is heated strongly, CO2 gas is evolved. The equilibrium pressure of the gas…

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Q: For the reaction 2 H2O2(1) →2 H,O(1) + O2(g) AG° = -239.0 kJ and AH° = -196.0 kJ at 342 K and 1 atm.…

A: Given reaction is,  2H2O2(l) → 2H2O(l) + O­2(g) ΔGo = -239.0 KJ and ΔHo = -196.0 KJ at 342 K and 1…

Q: For magnesium, Mg, the heat of fusion at its normal melting point of 649 °C is 9.0 kJ/mol. The…

A: Ans Heat of fusion is the amount of heat added when one mole of solid convert to the liquid. Heat of…

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: Consider the reaction2HBr(g) + Cl2(g)2HCl(g) + Br2(g)for which H° = -81.10 kJ and S° = -1.200 J/K at…

A: All feasible reactions occurring in nature are either enthalpy/entropy driven or both. When heat…

Q: onsider the reaction 2NaOH(aq) + H2(g)2Na(s) + 2H2O(l) for which H° = 368.6 kJ and S° = 15.30 J/K…

A: Solution- 2NaOH (aq)+ H2O(g)  →2Na(s)+H2O(l)∆Ho= 368.6 kJ ∆S° = 15.30 J/K at 298.15 K.(1). NaOH…

Q: What is the total entropy change when 1.50 mol of water (ΔHfus = 6.01 kJ/mol) freezes at 0.0 °C in a…

A: To calculate the total entropy change when water freezes, we need to consider the entropy change…

Q: Consider the reaction CH4(g) + H2O(g)CO(g) + 3H2(g) for which H° = 206.1 kJ and S° = 214.7 J/K at…

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Q: For the reaction A (g) → 2 B (g), K = 14.7 at 298 K. What is the value of Q for this reaction at 298…

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Q: NO2

A: Given values - Kp = 4.15 × 10^-50 T = 523K

Q: Calculate the standard free energy of formation (AGF) of the following compounds using the heats of…

A: Part a)   Part b)  Part c)   Part d)

Q: Use the data from this table of thermodynamic properties to calculate the values of ASxn for each of…

A: The problem is asking us to calculate the change in entropy (ΔSrxn) for the second reaction. The…

Q: Between 0 °C and 100 °C, the heat capacity of Hg(l) is given by: Cp,m (Hg, l) [units: J mol-1 K-1]…

A: Specific heat (Cp,m) is the heat energy required to raise the temperature of a mole of a substance…

Q: For the decomposition of mercury(II) oxide, HgO, to mercury and oxygen:             2HgO(s)…

A: Solution : the standard Gibbs free energy of formation (Gf°) of Mercury (II) oxide is -58.6 KJ.mol-1…

Q: For the reaction CaCO3(s)→CaO(s) + CO2(g) AH° = 178.3 kJ and AS° = 160.6 J/K The equilibrium…

A: The given reaction is as follows:    CaCO3(s) → CaO(s) + CO2(g) ∆H°=178.3 kJ∆S°=160.6 J/K…

Q: Consider the reaction Ca(OH)2(aq) + 2HCl(aq)CaCl2(s) + 2H2O(l) for which H° = -30.20 kJ and S° =…

A: Given reaction is : Ca(OH)2(aq) + 2 HCl(aq)→CaCl2(s) + 2 H2O(l)  H° = -30.20 kJ   S° = 205.9 J/K…

Q: Ag+ (aq)  +  Cl–   (aq)     →     AgCl (s)             Delta S = ? What is the entropy change when…

A: We have to determine  the  entropy change when  silver chloride formed from its elemental ions.

Q: A reaction has values ΔS = 60.3 J K-1 mol-1 and ΔH = 44.7 kJ mol-1. At what temperature (in °C) will…

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Q: The ethyl alcohol vaporizes at 78 degrees Celcius, what is the change in entropy if 0.25 kg…

A: Solution - According to the question - Given - Change in entropy = ? S = ? H / T ? H = Heat change…

Q: Calculate ΔH° for the process Sb(s) + 52Cl2(g) ⟶ SbCl5(s) from the following information: Sb(s)…

A: According to the Hess’s law of Constant heat Summation, regardless of the number of steps or stages…

Q: What is the sign of delta H and delta S for the reaction X(g) + Y(g) = XY(g) and state under what…

A: The above reaction is          X (g) + Y (g) → XY (g) Breaking of bonds requires absorption of…

Q: Determine the standard entropy of NO(g) given the following information NO(g)+0,(g) → NO,(g) ASn =…

A: Introduction: We have to calculate the entropy for NO(g).