Explanation It is given that: The mass of SO 3 at equilibrium is 1.17 g . The mass of O 2 at equilibrium is 0.105 g . The equilibrium constant in terms of pressure is 3.0 × 10 4 . The temperature of the reaction mixture is 700 K . The volume of the vessel/reaction mixture is 2.00 L . The reaction is, 2SO 2 ( g ) + O 2 ( g ) ⇌ 2SO 3 ( g ) The change in the number of moles is calculated as, Δ n = n product − n reactant Where, Δ n is the change in the number of moles. n product is the total number of moles of product. n reactant is the total number of moles of reactant. Substitute the value of n product and n reactant in the above equation. Δ n = 2 − ( 2 + 1 ) = − 1 The equilibrium constant, K c of the given reaction at 700 K is calculated by the formula, K p = K c ( R T ) Δ n K c = K p ( R T ) Δ n Where, K c is the equilibrium constant of the given reaction at 700 K . K p is the equilibrium constant in terms of pressure at 700 K . R is the gas constant ( 0.08206 atm ⋅ L / mol ⋅ K ) . T is the temperature of the reaction mixture. Substitute the value of K p , R and T in the above equation. K c = 3.0 × 10 4 atm − 1 ( ( 0.08206 atm ⋅ L / mol ⋅ K ) × ( 700 K ) ) − 1 = 3.0 × 10 4 atm − 1 ( 57.442 atm ⋅ L / mol ) − 1 = 172.3 × 10 4 L/mol = 172.3 × 10 4 M − 1 Molar mass of O 2 is calculated as, 2 × ( 15.999 g/mol ) = 31.998 g/mol Number of moles of O 2 at equilibrium is calculated by the formula., Moles of O 2 = Mass of O 2 Molar mass of O 2 Substitute the value of the mass of O 2 and molar mass of O 2 in the above equation. Moles of H 2 = 0.105 g 31.998 g/mol = 0.00328 mol The concentration (molarity) of O 2 at equilibrium is calculated by the formula, Molarity = Moles of O 2 Volume of reaction mixture Substitute the value of moles of O 2 and the volume of the reaction mixture in the above equation. Molarity = 0.00328 mol 2.00 L = 1.64 × 10 − 3 M In a similar way, the concentration of SO 3 at equilibrium is 7.3 × 10 − 3 M

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Chapter 15, Problem 50E

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The mass of SO2 present in the reaction vessel.

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Chapter 15, Problem 49E

Chapter 15, Problem 51E

Chapter 15 Solutions

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Ch. 15.2 - Prob. 15.1.1PE Ch. 15.2 - Prob. 15.1.2PE Ch. 15.2 - Prob. 15.2.1PE Ch. 15.2 - Prob. 15.2.2PE Ch. 15.3 - Prob. 15.3.1PE Ch. 15.3 - Practice Exercise 2 For the reaction H2 (g) + I2...Ch. 15.3 - Prob. 15.4.1PE Ch. 15.3 - Prob. 15.4.2PE Ch. 15.4 - Prob. 15.5.1PE Ch. 15.4 - Prob. 15.5.2PE

Ch. 15.4 - Practice Exercise 1 If 8.0 g of NH4HS(s)...Ch. 15.4 - Prob. 15.6.2PE Ch. 15.5 - Practice Exercise 1 A mixture of gaseous sulfur...Ch. 15.5 - Prob. 15.7.2PE Ch. 15.5 - Practice Exercise 1 In Section 15.1, we discussed...Ch. 15.5 - Practice Exercise 2 The gaseous compound BrCl...Ch. 15.6 - Prob. 15.9.1PE Ch. 15.6 - Practice Exercise 2 At 1000 k, the value of Kp for...Ch. 15.6 - Prob. 15.10.1PE Ch. 15.6 - Prob. 15.10.2PE Ch. 15.6 - Practice Exercise 1 For the equilibrium Br2(g) +...Ch. 15.6 - Prob. 15.11.2PE Ch. 15.7 - Practice Exercise 1 For the reaction 4 NH3(g) + 5...Ch. 15.7 - Prob. 15.12.2PE Ch. 15 - Prob. 1DE Ch. 15 - Based on the following energy profile, predict...Ch. 15 - 15.2 The following diagrams represent a...Ch. 15 - Prob. 3E Ch. 15 - Prob. 4E Ch. 15 - Prob. 5E Ch. 15 - 15.6 Ethene (C2H4) reacts with healogens (X2) by...Ch. 15 - When lead(IV) oxide is heated above 300 O C, it...Ch. 15 - Prob. 8E Ch. 15 - The reactin A2(g) + B(g) + A(g) + AB(g) has an...Ch. 15 - Prob. 10E Ch. 15 - Prob. 11E Ch. 15 - The following graph represents the yield of the...Ch. 15 - Suppose that the gas-phase reactions A B and B A...Ch. 15 - Prob. 14E Ch. 15 - Prob. 15E Ch. 15 - Write the expression for KC for the following...Ch. 15 - When the following reaction come to equilibrium,...Ch. 15 - Prob. 18E Ch. 15 - Prob. 19E Ch. 15 - Prob. 20E Ch. 15 - If Kc = 0.042 for PC13(g) + C12 (g) PC15 (g) at...Ch. 15 - Prob. 22E Ch. 15 - 15.23 The equilibrium constant for the...Ch. 15 - Prob. 24E Ch. 15 - Prob. 25E Ch. 15 - Prob. 26E Ch. 15 - The following equilibria were attained at 823 K:...Ch. 15 - Consider the equilibrium N2(g) + O2(g) + Br2(g) 2...Ch. 15 - Mercury(I) oxide decomposes into elemental mercury...Ch. 15 - Prob. 30E Ch. 15 - Prob. 31E Ch. 15 - Prob. 32E Ch. 15 - Prob. 33E Ch. 15 - Phosphorus trichloride gas and chlorine gas react...Ch. 15 - A mixture of 0.10 mol of NO, 0.050 mol of H2, and...Ch. 15 - Prob. 36E Ch. 15 - A mixture of 0.2000 mol of CO2, 0.1000 mol of H2,...Ch. 15 - 15.38 A flask is charged with 1.500 atm of N2O4(g)...Ch. 15 - Prob. 39E Ch. 15 - Prob. 40E Ch. 15 - a. If QC KC, in which direction will a reaction...Ch. 15 - Prob. 42E Ch. 15 - At 100 OC , the equilibrium constant for the...Ch. 15 - 15.44 As shown in Table 15.2, KP for the...Ch. 15 - At 100 C, K = 0.078 for the reaction SO2Cl2 (g) ...Ch. 15 - Prob. 46E Ch. 15 - Prob. 47E Ch. 15 - Prob. 48E Ch. 15 - At 800 k, the equilibrium constant for I2 (g) ...Ch. 15 - Prob. 50E Ch. 15 - At 2000 OC, the equilibrium constant for the...Ch. 15 - For the equilibrium Br2 (g) + Cl2 (g) 2BrCl(g) At...Ch. 15 - At 373 k, Kp = 0.416 for the equilibrium 2NOBr (g)...Ch. 15 - At 218 oC, KC= 1.2 X 10-4 for the equilibrium NH4...Ch. 15 - Prob. 55E Ch. 15 - At 80 oC, K =1.87 X 10-3 for the reaction PH3 BCl3...Ch. 15 - Prob. 57E Ch. 15 - Prob. 58E Ch. 15 - Prob. 59E Ch. 15 - Prob. 60E Ch. 15 - Consider the following equilibrium for which H<0...Ch. 15 - Prob. 62E Ch. 15 - 15.63 How do the following changes affect the...Ch. 15 - Prob. 64E Ch. 15 - Consider the following equilibrium between oxides...Ch. 15 - Prob. 66E Ch. 15 - Ozone, O3, decomposes to molecular oxygen in the...Ch. 15 - Prob. 68E Ch. 15 - Prob. 69E Ch. 15 - 15.70 True or false: When the temperature of an...Ch. 15 - Prob. 71AE Ch. 15 - Prob. 72AE Ch. 15 - 15.73 A mixture of CH4 and H2O is passed over a...Ch. 15 - Prob. 74AE Ch. 15 - Prob. 75AE Ch. 15 - Prob. 76AE Ch. 15 - Prob. 77AE Ch. 15 - Prob. 78AE Ch. 15 - Prob. 79AE Ch. 15 - For the equilibrium PH3BCI3 (s) PH3 (g) + BCI3...Ch. 15 - Prob. 81AE Ch. 15 - Prob. 82AE Ch. 15 - Prob. 83AE Ch. 15 - At 900 o C, Kc = 0.0108 for the reaction CaCO3(g) ...Ch. 15 - Prob. 85AE Ch. 15 - The equilibrium constant Kc for C(s) +CO2 2CO(g)...Ch. 15 - Prob. 87AE Ch. 15 - Le Chatelier noted that many industrial processes...Ch. 15 - Prob. 89AE Ch. 15 - Prob. 90AE Ch. 15 - [15.91] An equilibrium mixture of H2, I2, and HI...Ch. 15 - Consider the hypothetical reaction A(g) + 2B(g) 2...Ch. 15 - Prob. 93AE Ch. 15 - Prob. 94AE Ch. 15 - Prob. 95IE Ch. 15 - The following equilibria were measured at 823 K:...Ch. 15 - Prob. 97IE Ch. 15 - Prob. 98IE Ch. 15 - At 800 K, the equilibrium constant for the...Ch. 15 - Prob. 100IE Ch. 15 - Prob. 101IE Ch. 15 - Prob. 102IE

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The mass of SO 2 present in the reaction vessel.

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To determine: The mass of SO2 present in the reaction vessel.

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Chapter 15 Solutions

To determine:
The mass of SO2 present in the reaction vessel.