23 p 30+ ody 1 Determines le for the reason 30.09) given the following information Slemelk)...
JOY 20 $49.4 J/mol K -899.0 /mol K 7. According to the second law of thermodynamics, the change in the entropy of the universe (DS...) during a spontaneous reaction is a ero b negative positive. d less than the change in entropy of the system (DS.). greater than the change in entropy of the system (DS). 8. In an experiment, 1.000 mol of sodium metal is placed in a container and reacted with 4.000 mol of chlorine given the following....
Using the standard entropy values: NOG), S = +210.6 J mol-1 K-1 02(0), sº = +205.0 J mol-1 K-1 NO2(g), sº = +240.5 J mol-1 K-1 calculate the standard entropy change, Asº, for the reaction: NO(g) + O2(g) NO2(g) A.-246.1 kJ B. +246.1 kJ C.-175.1 kJ D.-656.1 kJ E. -72.6 kJ
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
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.
CALCULATING AS FOR REACTIONS (Math) 5. Determine AS for Hz(x) +13(g) 5 2HI(e) given the following information. Substance S (J/mol K) Hz(8) 130.58 1:(8) 116.73 HI(g) 206.3 d. a 41.10 J/mol - K b.-165.29 J/mol - K c. +398.75 J/mol K +165.29 J/mol - K 41.10 J/mol - K CHEM 104 6. What is the standard entropy change when 10.0 g of methane reacts with 10.0 g of oxygen? CH_(g) + 20:(g) - CO:(g) + 2H,00 Substance Sº (J/mol ·...
Calculate the standard entropy change for the reaction 2H2(g)+O2(g)?2H2O(l) using the data from the following table: Substance ?H?f (kJ/mol) ?G?f (kJ/mol) S? [J/(K?mol)] H2(g) 0.00 0.00 130.6 O2(g) 0.00 0.00 205.0 H2O(l) -285.8 -237.2 69.90 Express your answer to four significant figures and include the appropriate units. Please show me the steps on how to solve this!!! Thank you!!!
Pi T2 = P₂ T 12) Calculate the standard free energy change at 25°C for the reaction 2 NO(g) + O2(g) → 2 NO2(g). 12 46°E AH-TAS Species | AHºf, kJ/mol NO () 91.3 02 (8) 0.0 NO2 (8) 5, J/(K.mol) 210.7 205.0 240.0 33.2 A) -4.7 kJ (B) -72.6 kJ C) -157.8 kJ D) -532.6 kJ 13) The Boltzmann formula is S=k In W. A perfect crystal has a molar entropy of 0 at absolute zero because A) W=NA...
Consider the reaction: FeO (s) + Fe (s) + O2(g) → Fe2O3 (s) Given the following table of thermodynamic data at 298 K: Substance ΔHf° (kJ/mol) S° (J/K⋅mol) FeO (s) -271.9 60.75 Fe (s) 0 27.15 O2 (g) 0 205.0 Fe2O3 (s) -822.16 89.96 The value K for the reaction at 25 °C is ________. A.370 B.7.1 x 1085 C.3.8 x 10-14 D.5.9 x 104 E.8.1 x 1019
23. Question (1 point) W Calculate the free-energy change of the following reaction at 221°C: C2H(g) +302(g) → 2002(g) + 2H20(g) A Hºt, kJ/mol 52.3 Sº, J/mol K 219.5 C2H4(g) O₂(g) CO2(g) H2O(g) -393.5 205.0 213.6 188.7 -241.8 1st attempt
Determine the standard entropy change of the universe at 25°C for the reaction NHİ (aq) + Cl-(aq) NH, Cl (s) given the following information. Is the reaction spontaneous under standard conditions? Substance Δ AHP(kJ/mol) S° (J/mol K) NH,Cl(s) NH (aq) Cl (aq) -314.4 -132.5 -167.2 94.6 113.4 56.5 +124.6 J/K, yes +26.0 J/K, yes d. a. -26.0 J/K, no b. +49.3 J/K, yes c. -75.3 J/K, no e.