a. The oxidation of SO2(g): 2SO2(g) + O2(g) → 2SO3(g) is too slow at 298 K to be useful in the manufacture of sulfuric acid. To overcome this low rate, the process is conducted at an elevated temperature. i. Calculate K, the equilibrium constant, at 298 K and at 973 K. ∆G298o = -141.6 kJmol-1 for the reaction as written; (3)
ii. Calculate K using ∆Ho and ∆So values at 973 K, ∆G973o = -12.12 kJmol-1 for the reaction as written. R = 8.314 JK-1mol-1 (3)
a. The oxidation of SO2(g): 2SO2(g) + O2(g) → 2SO3(g) is too slow at 298 K...
a) An important reaction in the manufacture of sulfuric acid is the oxidation of SO2(g) to SO3(g): 2. 2SO2(g) O2(g)SO3(g) dGo, ΔΗο, and ASo values for the reaction are-141 .6kJ/mol,-1984kJ/mol and -187.9J/Kmol, respectively. Evaluate whether or not the reaction is spontaneous under standard conditions at 298K, predict the effect of increasing temperature on spontaneity and calculate the value of T at which the reaction becomes nonspontaneous. b) The reaction described in part (a) is too slow at room temperature to...
One step in the manufacture of sulfuric acid is the oxidation of SO2 gas to SO3: 2SO2 (g) + O2 (g) 2SO3 (g) ΔH = ‒196 kJ mol–1 This reaction is usually performed at 698 K and 1-2 atmospheres of pressure. 2. Use Le Chatelier’s principle to explain why decreasing the temperature of the reaction vessel to 298 K should theoretically increase the yield of SO3 (g)
Consider the reaction: 2SO2(g)+O2(g)→2SO3(g) a) If 287.8 mL of SO2 reacts with 166.6 mL of O2 (both measured at 323 K and 67 mbar ), what is the limiting reactant? b) What is the theoretical yield of SO3? c) If 180.2 mL of SO3 is collected (measured at 323 K and 67 mbar ), what is the percent yield for the reaction?
A student ran the following reaction in the laboratory at 1185 K: 2SO2(g) + O2(g) 2SO3(g) When she introduced 8.07×10-2 moles of SO2(g) and 7.94×10-2 moles of O2(g) into a 1.00 liter container, she found the equilibrium concentration of O2(g) to be 5.86×10-2 M. Calculate the equilibrium constant, Kc, she obtained for this reaction. Kc=?
Consider the following reaction: 2SO2(g)+O2(g)→2SO3(g) If 274.2 mL of SO2 is allowed to react with 159.0 mL of O2 (both measured at 322 K and 54.4 mmHg Part A: What is the theoretical yield of SO3? Part B: If 180.2 mL of SO3 is collected (measured at 322 K and 54.4 mmHg ), what is the percent yield for the reaction?
Consider the following reaction: 2SO2(g)+O2(g)→2SO3(g) If 285.0 mL of SO2 is allowed to react with 163.8 mL of O2 (both measured at 324 K and 54.7 mmHg ), what is the limiting reactant? B.What is the theoretical yield of SO3? C.If 188.0 mL of SO3 is collected (measured at 324 K and 54.7 mmHg ), what is the percent yield for the reaction? Express your answer using four significant figures.
What must be true of the exponents of the rate law for the reaction 2So2(g)+O2(g)--> 2SO3(g) when the rate law is expressed as rate=k[SO2(g)]^x[O2(g)]^y
At a given temperature, the equilibrium constant Kc for the reaction 2SO2(g)+O2(g)<==>2SO3(g) is 2.99x10^-3. What is the value of the equilibrium constant for each of the following reactions at that temperature? a. SO2(g)+ 1/2 O2(g)<==> SO3(g) b. 2SO3(g)<==>2SO2(g)+O2(g) c. SO3(g)<==> SO2(g)+ 1/2 O2(g)
At 900 K the following reaction has Kp=0.345: 2SO2(g)+O2(g)???2SO3(g) In an equilibrium mixture the partial pressures of SO2 and O2 are 0.150atm and 0.465atm , respectively. What is the equilibrium partial pressure of SO3 in the mixture?
Consider the reaction: 2SO2(g) + O2(g)2SO3(g) Using standard absolute entropies at 298K, calculate the entropy change for the system when 2.11 moles of SO2(g) react at standard conditions. S°system = J/K