Calculate ∆G (in kJ) at 35.4oC for a reaction that has Keq = 124
G = -RTlnK
R = 8.314 J/molK
T = 35.40C = 308.4 K
K = 124
G = - 8.314 x 308.4 ln (124)
G = - 12359 J
G = - 12.36 KJ
QUESTION 6 Calculate AG (in kJ) at 35.4°C for a reaction that has keq = 124
For the reaction: C2H2 (g) + 2 H2 (g) > C2H6 (g) , calculate and Keq at 25 degrees Celsius. Also, calculate Keq for this same reaction at 75 degrees Celsius. Answers : At 25 degrees Celsius, are -311.38 kJ, -242.09 kJ, -232.46 J respectively. Keq at 25 degrees Celsius is 3 x 1042; at 75 degrees Celsius it is 4 x 1034
Reaction X: ½ I2 (s) + ½ Cl2 (g) → ICl (g) ∆Hºf,RXN = 18 kJ mol-1RXN, ∆Sº298 = 78 J K-1 mol-1 Reaction Y: ½ I2 (s) + ½ Br2 (l) → IBr (g) ∆Hºf,RXN = 41 kJ mol-1RXN, ∆Sº298 = 124 J K-1 mol-1 Calculate the value of the equilibrium constant, Keq, for reaction X at 25ºC.
For the reaction: SO2(g) + ½ O2(g) = SO3(g) , Keq= 6.55 at 900K and Keq= 1.86 at 1000 K Calculate ΔrH° over the temperature range 900 K - 1000 K (assume ΔrH° is constant)
PLease explain Calculate the Keq of a reaction at 315 °K and a 4Gº = -35.7 kJ/mol. Is the reaction favorable? A. Keq = 3.76*105; exergonic B. Keq = 1.67*10-5; endergonic Oc. Keq = 8.38*105; exergonic D. Keq = 8.38*10-5; endergonic
Question 1Coupled Reactions: (a) Calculate Keq for the metabolically unfavourable reaction A → B, for which DGo’=25 kJ mol-1 (b) Using DGo ’ = -32.2 kJ mol-1 for the hydrolysis of ATP, calculate Keq for the coupled reaction A + ATP + H2O → B + ADP + Pi (Hint: consider the two half reactions separately) (c) Assuming the ratio of ATP:[ADP x Pi] is 10-4 , calculate the ratio of A:B in the coupled reaction. (d) How do the...
Calculate the ΔGo value for a reaction that has an equilibrium constant of 41 (Keq = 41).
The value of Keq for the following reaction is 0.560 A (g) + B (g) ⇌ C (g) + D (g) The value of Keq at the same temperature for the reaction below is ________. 4C (g) + 4D (g) ⇌ 4A (g) + 4B (g)
At 141 oC, Keq = 0.00830 for the reaction: NO(g) + 1/2 Br2(g) NOBr(g) (a) What is the value of Keq for the reaction NOBr(g) NO(g) + 1/2 Br2(g)? Keq = . (b) What is the value of Keq for the reaction 2 NO(g) + Br2(g) 2 NOBr(g)? Keq = . (c) What is the value of Keq for the reaction 2 NOBr(g) 2 NO(g) + Br2(g)? Keq = .
VOUI V2 The standard reaction enthalpy for the hydrogenation of propene is -124 kJ/mol. The standard reaction enthalpy for the combustion of propane is -2220 kJ/mol. Calculate the standard reaction enthalpy for the combustion of propene using this data. Show all steps.