Calculate the entropy change at 25°C for the following reaction: 6 C (s,graphite) + 3 H2 (g) → C6H6 (l). The entropy contents of the reactants and product at 25°C are as follows:
Substance S, J/mol•K C (s,graphite) 5.74 H2 (g) 130.68 C6H6 (l) 172.8
Calculate the entropy change at 25°C for the following reaction: 6 C (s,graphite) + 3 H2...
Calculate the entropy change at 25°C for the following reaction: Li (s) + 0.5 O2 (g) + 0.5 H2 (g) → LiOH (s) The entropy contents of the reactants and product at 25°C are as follows: Substance S, J/mol•K Li (s) 29.12 O2 (g) 205.138 H2 (g) 130.68 LiOH (s) 42.8
2. Calculate the entropy change at 25°C for the following reaction: Ca (s) + 0.125 S, (S) +202 (g) → CaSO4 (s). The entropy contents of the reactants and product at 25°C are as follows: Substance S, J/mol.K Ca (s) 41.42 Ss (s) 31.8 O2 (g) 205.138 CaSO4(s) 106.7
1. Use the data given to calculate the value of ΔG°rxn for the reaction at 25 °C. 2 C(graphite) + H2(g) <---> C2H2(g) C(graphite) H2(g) C2H2(g) S° (J/mol ⋅ K) 5.74 130.68 201.0 (kJ/mol) 0 0 −226.8 Report answer to four significant figures.
Calculate the standard entropy change for the following reaction at 25 °C. S° values can be found here. Calculate the standard entropy change for the following reaction at 25 °C. S values can be found here H,graphite) (H, +co Number J/K
Please answer with correct sig figs Use the data given to calculate the value of AGºrxn for the reaction at 25 °C. 2 C(graphite) + H2(g) C2H2(g) C(graphite) H2(g) C2H2(g) Sº (J/mol · K) 5.74 130.68 201.0 (kJ/mol) 0 0 -226.8 Report answer to four significant figures.
Calculate the standard entropy change for the formation of 1.0 mol of the following compounds from the elements at 25 °C. a. C2H2 (g) b. MgCO3 (s) Calculate the standard entropy change for the formation of 1.0 mol of the following compounds from the elements at 25 °C. C2H2(g) a. Use the following data: C2H2(g) C(s, graphite) H2(g) J K·mol 200.94 5.6 130.7 A, Sº = J/Kºmol-rxn MgCO3(s) b. Use the following data: S° MgCO3(s) Mg(s) C(s, graphite) O2(g) K·mol...
Self-test 4.7 (a) Calculate the standard reaction entropy for N2(g) + 3 H2(g)2 NH3 (g) at 25 °C. (b) What is the change in entropy when 2 mol H2 reacts? Answer: (a) (Using values from Table 4.2)-198.7 J K-1 mol-1; (b) -132.5 J K-1
Calculate the standard-state entropy for the following reaction: 1 Al2O3(s) + 3 H2(g) ? 2 Al(s) + 3 H2O(l) (If applicable, coefficients of one have been included for clarity.) The standard entropy values are given in the table. S? J/(K?mol) Al(s) 28.0 H2O(l) 189 Al2O3(s) 51.0 H2(g) 131
Calculate the standard-state entropy for the following reaction: 1 Al2O3(s) + 3 H2(g) ⟶ 2 Al(s) + 3 H2O(l) (If applicable, coefficients of one have been included for clarity.) The standard entropy values are given in the table. Formula S∘ J/(K⋅mol) Al(s) 28.0 H2O(l) 189 Al2O3(s) 51.0 H2(g) 131
1. Predict whether the entropy change for each of the following reactions will have negative value. Calculations are not necessary! (a) CS2 (g) + 3 02 (g) → CO2(g) +2 SO2 (g) (b) 2 CH4 (g) + 3 02 (g) → 2 CO (g) + 4H2O(g) (c) 2 NH4 (1) +2 NO2 (g) → 3 N2(g) + 4H2O(g) 2. Calculate the entropy change at 25°C for the following reaction: Ca (s) + 0.125 S, (s) + 2 02 (g) →...