ΔΗ, (at 298K AG; (at 298 K in kJ/mol) Compound Compound AH (at 298K in kJ/mol in kJ/mol) AG (at 298 K. in kJ/mol...
5.14. Determine A Gº and ArxnG for the following reaction at 25°C, using data in Appendix 2. The partial pressures of the products and reactants are given in the chemical equation. 200 (9, 0.650 bar) + 02 (9, 34.0 bar) 2002 (, 0.0250 bar) Appendix 2 Thermodynamic Properties of various Substa A,H" (at 298 K, in kj/mol) -417.98 --331.64 AG (at 298 K in kj/mol) -379.1 - 303.50 Compound NO (8) NSO, (s) Ne (g) N ) 0,(g) 0,() Swt...
Question 5 Correct Use AG° =AH° -TAS° to calculate AG (in kJ) at 298 K for : Mark 1.00 out of 1.00 2002(g) +4H2O(1) ► 2CH3OH(1) + 302(g) P Flag question Answer: 1404.84 Question 6 Not answered Marked out of 1.00 If the above reaction could be done at 3399 K, what would be your estimate for AGº (in kJ) at this elevated temperature? Use AGⓇ =AH°-TAS and assume AH° and AS are independent of temperature. P Flag question (Theis...
AG,O (25°C kJ/mol) ДнР (25°C kJ/mol) So Substance (25°C J/mol-K) NaNO, (s) -467.9 -367.0 116.5 NaNO2 (s) -358.7 -284.6 103.8 Cl2O (g) CI2OS (g) PbO (s) 80.3 97.9 266.2 -212.5 -198.3 309.8 -217.32 -187.89 68.7 CI2CRO2 (I) CI2CRO2 (g) -579.5 -510.8 221.8 -538.1 -501.6 329.8 Compute the AH°, AG°, and AS° for the reaction given below at two temperatures: 298 K and 315 K. PbCl2 (s)3NaNO2(s) PbO(s)NaNO3(s) +2NO(g) +2NaCl(s) At 298 K kJ ΔΗ' is AG° is kJ J/K AS...
*** ** -305.01 -183.9 151.1 NH4NO3 (aq) -339.9 -190.6 259.8 AHºf (kJ/mol) AG°f (kJ/mol) Sº (/mol K) 0 205.1 Oxygen 02 (g) O(g) 03 (g) 249.2 231.7 161.1 142.7 163.2 238.9 Phosphorus AH° (kJ/mol) AG°f(kJ/mol) sº (/mol K) Nitrogen AH°(kJ/mol) AG°f(kJ/mol) s° /mol K) N2 (8) 0 191.6 N (g) 472.7 455.6 153.3 NH3 (g) -46.1 -16.5 192.5 NH3 (aq) -80.0 -27.0 111.0 132.0 -79.0 113.0 90.3 86.6 210.8 51.7 66.1 261.8 NH4+ (aq) NO (g) NOCI (9) NO2 (g)...
The following reaction has the thermodynamic values at 298 K: AH° =-136.9 kJ/mol and AS" = -120.6 J/mol K. HаС — СHз (9) Нас— CHz (0) + Hа (0) a. Calculate AG° at 298 K for this reaction in kJ/mol (Enter your answer to four significant figures.) kJ/mol b. The reaction is c. The reaction is.
For a particular reaction, AH = -14.20 kJ/mol and AS = -198.5 J/(mol.K). Calculate AG for this reaction at 298 K. AG = 73.35 kJ/mol
Nitrogen Ahºf (kJ/mol) AG°f (kJ/mol) Sº (J/mol K) 191.6 N2(9) 0 0 N(g) 472.7 455.6 153.3 NH3(g) -46.1 -16.5 192.5 NH3(aq) -80.0 -27.0 111.0 NH4+ (aq) -132.0 -79.0 113.0 90.3 86.6 210.8 NO(9) NOCI(g) 51.7 66.1 261.8 NO2(g) 33.2 51.3 240.1 N20(9) 82.1 104.2 219.9 N204(9) 9.2 97.9 304.3 N204(0) -20.0 97.0 209.0 N205(s) -42.0 134.0 178.0 N2H4(0) 50.6 149.3 121.2 N2H3CH3 () 54.0 180.0 166.0 HNO3(aq) -207.4 -111.3 146.4 HNO3(1) -174.1 -80.7 155.6 HNO3(9) -135.1 -74.7 266.4 NH4ClO4(s) -295.0...
What is the ΔrG for the following reaction (in kJ mol-1) at 298 K? 3 O2 (g) ⇌ 2 O3(g) The conditions for this reaction are: PO2 = 0.62 bar PO3 = 0.33 bar You will also need to use Appendix II in your textbook (containing standard Gibbs energies of formation). ΔfH ΔfG S * O2(g) 0 0 205.2 O3(g) 142.7 163.2 238.9
Gibbs free energy change AG is defined as AG= AH-TAS. For a spontaneous process, AG<0. For a. reversible reaction at equilibrium, AG = 0. The equilibrium constant K of the reversible reaction is relate- AG"=-RTIn(K). Symbol 40" refers to thermodynamics standard condition: 298 K and 1 atm. Exercise:consider the following reaction: bo:pfoiex 2 HNO:(aq)+NO(g)- 3 NO2(g) + H2O(I) AH=+136.5 kJ; AS = +287.5 J/K a. Below what temperature does the following reaction becomes nonspontaneous? niliod sis anotsole s ob io...
NaCl(s) ⇌ Na+(aq) + Cl-(aq) ΔHo = 3.9 kJ/mol At 298 K, a saturated solution of NaCl has [Na+] = 7.0 M and [Cl-] = 5.4 M. If the temperature of the mixture is increased to 323 K, what will be the equilibrium concentration (M) of Na+? (Assume no ion pairing.) Enter your answer to 2 decimal places. NaCl(s) Na (aq) + CI'(aq) AH- 3.9 kJ/mol At 298 K, a saturated solution of NaCI has [Na"] 7.0M and [CI] -...