1. Consider the reaction shown below. Calculate the equilibrium pressure of CO₂ in the system at the following temperatures. (a) 140°C 0.466 (b) 410°C 0.7645 xatm xatm PbCO3(s) = PbO(s) + CO₂(g) Note: To find the value of the equilibrium constant at each temperature you must first find the value of AG at each temperature by using the equation AGⓇ-AHⓇ - TAS For this reaction the values are AH° +88.3 kJ/mol and Asº= 151.3 J/mol K

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Chapter1: Chemical Foundations
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1.
Consider the reaction shown below.
Calculate the equilibrium pressure of CO₂ in the system at the following temperatures.
(a) 140°C
0.466
(b) 410°C
0.7645
2.
x atm
Xatm
Note: To find the value of the equilibrium constant at each temperature you must first find the value of AGO at each temperature by using the equation
AGⓇ-AHⓇ - TASⓇ
For this reaction the values are AH = +88.3 kJ/mol and AS°= 151.3 J/mol K
3.
Consider the reaction 2 NO₂(g) → N₂O4(9).
(a) Using AG, N₂O4(g) = 97.79 kJ/mol and AGF NO₂(g) = 51.3 kJ/mol, calculate AG* at 298 K.
kJ
PbCO3(s) = PbO(s) + CO₂(g)
(b) Calculate AG at 298 K if the partial pressures of NO₂ and N₂O4 are 0.20 atm and 1.70 atm, respectively.
KJ
Consider the reaction given below.
(a) Using thermodynamic data from the course website, calculate AG° at 298 K.
kJ
(b) Calculate AG at 298 K if the reaction mixture consists of 9.4 atm of H₂, 4.0 atm of F₂, and 0.48 atm of HF.
kJ
H₂(g) + F₂(g) → 2 HF(g)
Transcribed Image Text:1. Consider the reaction shown below. Calculate the equilibrium pressure of CO₂ in the system at the following temperatures. (a) 140°C 0.466 (b) 410°C 0.7645 2. x atm Xatm Note: To find the value of the equilibrium constant at each temperature you must first find the value of AGO at each temperature by using the equation AGⓇ-AHⓇ - TASⓇ For this reaction the values are AH = +88.3 kJ/mol and AS°= 151.3 J/mol K 3. Consider the reaction 2 NO₂(g) → N₂O4(9). (a) Using AG, N₂O4(g) = 97.79 kJ/mol and AGF NO₂(g) = 51.3 kJ/mol, calculate AG* at 298 K. kJ PbCO3(s) = PbO(s) + CO₂(g) (b) Calculate AG at 298 K if the partial pressures of NO₂ and N₂O4 are 0.20 atm and 1.70 atm, respectively. KJ Consider the reaction given below. (a) Using thermodynamic data from the course website, calculate AG° at 298 K. kJ (b) Calculate AG at 298 K if the reaction mixture consists of 9.4 atm of H₂, 4.0 atm of F₂, and 0.48 atm of HF. kJ H₂(g) + F₂(g) → 2 HF(g)
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