Consider the reaction at 298 K. 2 Al(s) + 3 Cl₂(g) → 2 AICI, (s) Calculate the quantities for ASsys, AS surr, ASuniv. AS sys = AS surr = AS univ= AH-1408.4 kJ/mol J/(mol K) J/(mol K) . J/(mol K)

5.)  Which of the following statements accurately describes the spontaneity of the reaction below?Al2O3(s) + 2Fe(s) → 2Al(s) + Fe2O3(s) H°rxn = 830.8 kJ/mol, S°rxn = 168 J/mol·K a. The reverse reaction is always spontaneous.b. The reaction is spontaneous above 4945 K.c. The reaction is spontaneous below 4945 K.d. The reaction is always spontaneous.e. There is not enough information to determine.

Calculate the normal boiling point of methanol CH₂OH in °C given the following data: AH VAP = 37.4 kJ/mol and AS VAP = 110.8 J/mol-K CH3OH (1)→ CH3OH (g)

What is AS° for the following reaction? 2CI2(g) + SO2(g) → SOCI2(g) + Cl2O(g) Substance: Cl2g) SO23) SOCI23) Cl20(g) S°U/K • mol): 223.0 248.1 309.8 266.1 1270.0 J/K mol -104.8 J/K • mol 118.2J/K mol 104.8 J/K • mol -118.2 J/K • mol

Consider the following reactions and predict the AS°: I. C6H6(s) – C6H6(1) 2 SO2(g) + O2(g) –→ 2 SO3(g) II. AS should be negative for I and positive for II. AS® should be positive for I and positive for II. AS should be negative for I and negative for II. AS should be positive for I and negative for II.

Given the values of AH, ASn, and T, determine ASuniy and predict whether or not each reaction is spontaneous. (Assume that all reactants and products are in their standard states.) a. AH = -95 kJ; AS;n = -157 J/K; T = 298 K b. AH = -95 kJ; AS"n = -157 J/K; T = 855 K Calculate the Gibbs free energy for the above sets (a) and (b)

The formation reaction for carbon dioxide at 298 K is: C(s) + O₂(g) → CO₂(g) AƒH° = −393.51 kJ/mol Determine A, Hº at 1000 Kelvin given the following data: Cp values: carbon is 8.53 J/Kmol; oxygen gas is 29.36 J/Kmol; carbon dioxide gas is 37.11 J/Kmol.

Use the data shown below, to calculate AH°rxn and AS°rxn at 25°C for the following reaction: 3 H₂(g) + Fe₂O₂(s) → 2 Fe(s) + 3 H₂O(g) What is the value of AGᵒrxn at 25°C? Substance: H₂(g) AHof (kJ.mol-¹) 0 So (J.K-¹.mol-¹) 130.7 Fe₂O3(s) -824.2 87.40 Fe(s) 0 27.28 H₂O(g) -241.8 188.8

Calculate H°rxnfor the following reaction and the given H°f of the reactants and products. A. 440 kJ B. -2440 kJ C. -440 kJ D. 1960 kJ

Use the given data at 298 K to calculate AG°for the reaction CH4(g) + 2H2S(g) → CS2(g) + 4H2(g) Substance AHof (kJ/mol) S°(J/K·mol) O -50 kJ O 67 kJ O 184 kJ CH4(9) H2S(g) CS2(g) H2(g) -75 186 2.27 x 104 kJ -21 206 90 151 0 131