1At a certain temperature, 659 K, Kp for the reaction, N2O4(g) <=> 2 NO2(g), is 5.4 x 10-69. Calculate the value of DGo in kJ for the reaction at 659 K.
2Given the values of So given below in J/mol K and the values of ΔHfo given in kJ/mol, calculate the value of ΔGo in kJ for the combustion of 1 mole of propane to form carbon dioxide and gaseous water at 298 K.
S (C3H8(g)) = 271
S (O2(g)) = 204
S (CO2(g)) = 214
S (H2O(g)) = 184
ΔHfo (C3H8(g)) = -100
ΔHfo (CO2(g)) = -398
ΔHfo (H2O(g)) = -226
1At a certain temperature, 659 K, Kp for the reaction, N2O4(g) <=> 2 NO2(g), is 5.4...
Given the values of So given below in J/mol K and the values of ΔHfo given in kJ/mol, calculate the value of ΔGo in kJ for the combustion of 1 mole of propane to form carbon dioxide and gaseous water at 298 K. S (C3H8(g)) = 274 S (O2(g)) = 209 S (CO2(g)) = 216 S (H2O(g)) = 181 ΔHfo (C3H8(g)) = -105 ΔHfo (CO2(g)) = -394 ΔHfo (H2O(g)) = -225
What is ΔGo (in kJ) at 647 K for the following reaction? PbO(g) + CO2(g) → PbCO3(s) PbO: ΔHfo = -219.0 kJ/mol and So = 66.5 J/K mol) PbCO3(s): ΔHfo = -699.1 kJ/mol and So = 131.0 J/K mol) CO2: ΔHfo = -393.5 kJ/mol and So = 213.6 J/K mol) At what temperature (in K) does the above reaction become spontaneous?
• For the gas phase dimerization reaction 2 NO2 ⇔ N2O4, use Table 2C.5 to calculate Kp at 298 and 600 K. (Kp=0.00759) ΔrG0(N2O4) = 97.89 kJ/mol; ΔrG0(NO2) = 51.31 kJ/mol; • Estimate the equilibrium constant for the total oxidation of CO to CO2 at 1000K. ΔrH0 (CO2) = -393.51 kJ/mol; ΔrH0 (CO) = -110.53 kJ/mol (Kp= 1.84 x 1010) • • • • • •
1.What is ΔGrxno (in kJ) at 440 K for the following reaction? PbO(g) + CO2(g) → PbCO3(s) PbO: ΔHfo = -219.0 kJ/mol and So = 66.5 J/K mol) PbCO3(s): ΔHfo = -699.1 kJ/mol and So = 131.0 J/K mol) CO2: ΔHfo = -393.5 kJ/mol and So = 213.6 J/K mol) 2. At what temperature (in K) does the above reaction become spontaneous?
1-What is ΔGrxno (in kJ) at 338 K for the following reaction? PbO(g) + CO2(g) → PbCO3(s) PbO: ΔHfo = -219.0 kJ/mol and So = 66.5 J/K mol) PbCO3(s): ΔHfo = -699.1 kJ/mol and So = 131.0 J/K mol) CO2: ΔHfo = -393.5 kJ/mol and So = 213.6 J/K mol) 2-At what temperature (in K) does the above reaction become spontaneous? PLEASE answer both
Consider the reaction 2 NO2(g) N2O4(g) . (a) Using ΔGf N2O4(g) = 97.79 kJ/mol and ΔGf NO2(g) = 51.3 kJ/mol, calculate ΔG° at 298 K. ______ kJ (b) Calculate ΔG at 298 K if the partial pressures of NO2 and N2O4 are 0.45 atm and 1.55 atm, respectively. _____ kJ
20.5) Calculate ΔGo for the reaction SiCl4(g) 2Mg(s) 2MgCl2(s) Si(s) Substance SiCl4 Mg(s) MgCl2(s) Si(s) ΔGof(kJ/mol) -616.98 0 -591.79 0 a)566.60kJ b)50.38kJ c)25.19kJ d)- 25.19kJ e)- 566.60kJ Calculate Delta So for the combustion of propane. C3H8(g) + 5O2(g) rightarrow 3CO2(g)+4H2O(g) Sustance C3H8 O2 CO2 H2O So(J/k.mol) 269.9 205.138 213.74 188.825
The combustion of propane, C3H8, occurs via the reaction C3H8(g)+5O2(g)→3CO2(g)+4H2O(g) with heat of formation values given by the following table: Substance ΔH∘f (kJ/mol) C3H8 (g)= -104.7 CO2(g)= −393.5 H2O(g)= −241.8 Calculate the enthalpy for the combustion of 1 mole of propane.
Decomposition of nitrogen dioxide dimer N2O4 is described by the reaction: N2O4(g) = 2NO2(g) Concentration of N2O4 became 2 times less after 2,5⋅103 s. You have to calculate: a) the value of rate constant k of the reaction; b) the value of equilibrium constant Kp. You are given the value of standard Gibb’s energy of formation Goform: substance Goform, kJ/mol NO2(g) 51.6 N2O4(g) 98.4