The standard entropies at 298 K for certain group 4A elementsare: C(s, diamond) = 2.43 J/mol-K, Si1s2 = 18.81 J/mol-K, Ge1s2 = 31.09 J/mol-K, and Sn1s2 = 51.818 J/mol-K. All but Sn have the same (diamond) structure. Howdo you account for the trend in the S° values?

Q: 2SO2​ (g) + O2​ (g) ------> 2SO3​ (g)   ΔS° =  _____J/K

A: The given chemical equation is represented as follows:

Q: What is the minimum temperature for the spontaneous reaction of CCI4 (1) to CCI4 (g)" when AH° is…

A: By using the formula ∆G=∆H-T∆S Given ∆H =573kj/mol K

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Q: 2. Consider the following reaction at 298 K: N2 04(8) = 2NO2(g) Kp = 0.142 What is the standard free…

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Q: Given

A: We know that, 1J = 10^-3 kJ  ∆S° = -146.5 Jmol-1K-1  ∆S° = -146.5 • 10^-3 kJmol-1K-1  ∆S° = -0.1465…

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Q: Calculate Aran G at 450 K for the reaction shown below. Assume that Aran His constant over the…

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Q: Consider the reaction H2(g) + I2(s)---->2 HI(g). (a) Use thebond enthalpies in Table 5.4 to…

A: a.

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Q: Calculate the standard free-energy change for the formation of NO(g) from N2(g) and 02(g) at 298 K:…

A: Given:

Q: Identify the equation of Gibbs free energy, AG to predict the spontaneity of a reaction.

A: ANSWER

Q: Calculate the absolute entropy of SO,(g) at 300.0 K and 1 bar given the following information:…

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Q: hat is AG for the reaction ATP + H2O + ADP + P¡ in which the concentrations are ATP = x2 M, ADP = x…

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Q: The reduction of iron(III) oxide (Fe,0,) to pure iron during the first step of steelmaking, 2…

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Q: What is the change in entropy for the isothermal transition of 1 mole of water to ice at a…

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Q: Calculate the standard reaction entropy at 298k of: (a) Zn(s) +Cu (aq)Zn (aq) + Cu(s) (b) CH,O(s)…

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Q: When 3.93 moles of a liquid with a heat of vaporizations of 27.7 k) mol-1 is vaporized at 290 K and…

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Q: Using values from Appendix C, calculate the value of ΔH° foreach of the following reactions:(a)…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: The standard entropies (at 298 K) of gaseous H2, Cl2 and HCl are 131, 223 and 187 J mol–1 K–1…

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Q: Calculate AS°(rxn) in J/K for the following reaction at 373K. Co(g) + H20(g) → CO2(g) + H2(g) Δ…

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Q: (a) For a process that occurs at constant temperature, doesthe change in Gibbs free energy depend on…

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Q: Given the following table of thermodynamic data, AH, (kJ/mol) AG (kJ/mol) Substance P2(g) POCI 3(g)…

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Q: What is the change in volume ratio A(V V) change required if the entropy of a J mol K) Select one: O…

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Q: 1. For the reaction N(g) + 3H2(g) = 2NH3(9), Kp = 1.60 x 104 at 400°C. Calculate a) AG°ran b) AGrxn…

A: Reaction N2 (g) + 3H2 (g) →2NH3 (g) Kp = 1.6 × 10-4 at  T = 400 0C = 273 +400 =673K

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Q: Determine AG° for the phase change CO,(g) → CO,(aq) at 25°C. AH° = -19.4 kJ/mol AS° = +92.3 J/mol•K

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Q: Use the data in the supporting materials to calculate the equilibrium constant (Kp) for the…

A: The solution is given in the following steps :

Q: At T = 500K, what is the absolute entropy of ammonia with a Cp of 35.8 J/kmol

A: Entropy is given by S = cpln(T2/T1) = 35.8ln(500/ln0) = 35.8×6.21 = 222.318 J/kmol .

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