2. Calculate the entropy change at 25°C for the following reaction: Ca (s) + 0.125 S,...
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) →...
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
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 AG for the following reaction at 25°C. 2 Ca(s) + O2(g) → 2 Ca(s) (J/K mol) Substance AH (kJ/mol AG (kJ/mol) Ca(s) Ca2+(aq) CaO(s) Ca(OH)2(5) CaF2(5) CaCl(s) O(g) 028) O3(aq) Oz(8) -542.96 -635.6 -986.6 -1,214.6 -794.96 249.4 -553.0 -604.2 -896.8 -1,161.9 -750.19 230.1 41.6 -55.2 39.8 83.4 68.87 113.8 160.95 205.0 110.88 237.6 -12.09 142.2 16.3 163.4
Calculate the standard entropy change for the following reaction at 25 "C. s" values can be found here. HCI(g) + NaOH (s) → Nacl(s) + H2o@ Number J/K
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
B. Calculate the standard entropy change for the reaction 2Na(s)+Cl2(g)?2NaCl(s) using the data from the following table: Substance ?H?f (kJ/mol) ?G?f (kJ/mol) S? [J/(K?mol)] Na(s) 0.00 0.00 51.30 Cl2(g) 0.00 0.00 223.1 NaCl(s) -411.0 -384.0 72.10 Express your answer to four significant figures and include the appropriate units. Part A Predict the sign of the entropy change, AS°,for each of the reaction displayed. Drag the appropriate items to their respective bins. Ag+(aq) + Cl-(aq) → AgCl(s) | | Ca(OH)2(s) →...
Calculate the standard entropy change for the reaction2Mg(s)+O2(g)→2MgO(s)using the data from the following table:Substance△ Hf (kJ/mol)△Gf (kJ/mol)S0 [J/(K/mol)]Mg(s)0.000.0032.70O2(g)0.000.00205.0MgO(s)-602.0-569.627.00Express your answer to four significant figures and include the appropriate units.
16. (10 pts) The entropy change for the change of state C,H-OH (1) ------- CHOH (2) is 20 J/mol.K, the enthalpy of vaporization of the liquid is 3.20 kJ/mol. a. What is the boiling point of the substance? b. What will be the entropy change for the condensation of 4.60 grams of C,H,OH vapor? (molar mass of CHOH is 46.0 g mol) (R=0.08205 L atm mol.K, R= 8.314 J mol.K, F = 96481 C mol electron)
Calculate the standard entropy change for the reaction P4(g)+5O2(g)→P4O10(s) using the data from the following table: Substance ΔH∘f (kJ/mol) ΔG∘f (kJ/mol) S∘ [J/(K⋅mol)] P4(g) 58.9 24.5 279.9 O2(g) 0 0 205.0 P4O10(s) −2984 −2698 228.9