Using thermodynamics relationship,
∆G° = ∆H° - T∆S°
= -249 - 298×(-278)
=> -166 kJ/mol
(B) is correct option
Consider the reaction: at N2(g) + 3 F2 (g) --> 2 NH3(g) AH° = -249 kJ...
Consider the reaction: AS° -278 J K N2 (g) + 3 F2 (g) --> 2 NH3(g) AH = –249 kJ at 25 C Calculate AGº and state whether the equilibrium composition contains mostly products or reactants at standard conditions. O AG° = –166 kJ The equilibrium composition contains mostly products. 0 AG = -6.7 kJ The equilibrium composition contains mostly products. O AG° = +82.6 kJ The equilibrium composition contains mostly reactants. O AGⓇ = -332 kJ The equilibrium composition...
1) Consider the following reaction: 3C(s) + 4H2(g) → C3H8(g); AH° = -104.7 kJ; AS = -287.4J/K at 298 K What is the equilibrium constant at 300.0 K for this reaction? AGº = -RT In K. AG° = AH° - TAS" (R=8.3145J/mol.K) (6 points)
D Question 32 3 pts What is the molar solubility of Az SOs in water? The solubility product constant for silver sulfite is 1.5 x 10-14 at 25°C 0 16x 10-5M 20 x 10-5M 0 12 x 10-7M O 8.7 x 10-*M Question 33 3 pts Nitrogen reacts with fluorine to form nitrogen trifluoride: N_) + 3F.6 2NF,3 AH.-249 kJ and 19.-278.J Calculate AG, and determine whether the equilibrium composition should Ezzor reactants or products at 25°C. O AGS -...
AH-116.4 kJ/mol 4. Consider the following reaction: NH.NO, (s) N20 (8) + 2 H20 (g) Calculate AGⓇ for the reaction. Substance S” (J/mol K) NH.NO, (3) 151 N:0 (8) 220 H:0 (9) 183 5. The first step in the commercial production of titanium metal is the reaction of Tio: with chlorine an graphite: TiO2 (s) + 2 Cl: (g) + 2C (5) Tici: (1) + 2 CO(g) Calculate AGº for the reaction. Substance AG? (kJ/mol Substance AG® (kJ/mol) C(s) TiCl...
2. The reaction N2 (g)+3 F2 (g)2 NF3 (g), has AH° is -248.6 kJ mol and ArS° is -278.7J K mol. Calculate the temperature at which the reaction will be at equilibrium. Assume A,H° and A,S are independent of temperature.
N2(8) + 3F2(g) → 2 NF3() AH 298 = - 264 kJ mol-'; AS98 = - 278 J K-'mol-' The following questions relate to the synthesis reaction represented by the chemical equation in the box above. a. Calculate the value of the standard free energy change, AG 298. for the reaction. b. Determine the temperature at which the equilibrium constant, Keg, for the reaction is equal to 1.00. (Assume that Hº and AS are independent of temperature.) c. Calculate the...
For the reaction 2NO(g) + O2(g) —>2NO2(g) AH° = -114.2 kJ and AS° = -146.5 J/K The equilibrium constant for this reaction at 270.0 K is Assume that AH° and AS are independent of temperature. Submit Answer Try Another Version 3 item attempts remaining elefchces to access important values if needed for this question, Consider the reaction 2CO2(g) + 5H2(g)CH2(g) + 4H2O(g) Using the standard thermodynamic data in the tables linked above, calculate AG for this reaction at 298.15K if...
For the reaction 2 BrF3(g) - Br2(g) + 3 F2(g) AG° = 470.3 kJ and AH° = 542.1 kJ at 267 K and 1 atm. This reaction is (reactant, product) favored under standard conditions at 267 K. The entropy change for the reaction of 2.38 moles of BrF3(g) at this temperature would be J/K.
7 Consider the following reaction at 298 K: NH3(g) +HCI(g)NH4CI(s) Using the thermochemical data at 298 K given below (a) Determine the AH for the reaction. (2 marks) (b) Determine the AG for the reaction and comment on its value. (3 marks) (c) Determine the maximum work done available in the reaction. (3 marks) An equilibrium mixture, consisting of 0.5 atm of NHy(), 0.5 atm of HCKg) and excessive of NH Cl(s), is enclosed in a container at 298 K...
6. (8 points, 2 points each) Consider the following reaction: CO2(g) + 2 NH3(g) = CO(NH2)2(s) + H2O(g) AH° = -90 kJ Circle the change expected for each of the following to reestablish equilibrium: a. Add CO2 to the equilibrium mixture form more form more no change products reactants b. Compress the equilibrium mixture at constant temperature. (smaller volume) form more form more no change products reactants c. Heat the equilibrium mixture form more form more no change products reactants...