A mixture of 2.5 moles of N2 and 2.5 moles of H2 are sealed in a 1.0- liter container and heated to 400oC. When equilibrium is established, the container holds 1.0 mole of NH3. Calculate Kc for the equilibrium equation below at 400oC. N2(g) + 3H2(g)  2NH3(g)

Consider the following equilibrium system: 2SO2 + O2 --> 2SO3 Into a 2.00 Liter container, 0.500 mol of SO3, was placed and heated to 300°C. After equilibrium was established, the container was found to have 0.300 moles of SO3 present along with the other gases. Calculate the equilibrium concentration of each molecule and the equilibrium constant for this reaction at this temperature.

3. Nitrogen gas and oxygen gas can combine to produce nitrogen monoxide. At 1500 K the equilibrium constant, Ke, is 1.0 x 10 . Suppose a sample of air has [N2] = 0.80 M and [O2] = 0.20 M before any reaction occurs. Calculate the equilibrium concentrations of product and reactants at equilibrium at this temperature.

c. HF & HCIO4 d. HBr & LIOH e. CH3COOH & KOH A sealed 1.00L flask is charged with 0.500 mol of I, and 0.500 mol of Br2. An equilibrium reaction ensues: 12 (g) + Br2 (g) =2 IBr (g) When the container contents achieve equilibrium, the flask contains 0.84 mol of IBr. The value of K is Select one: O a. K= 6.10 O b. K = 2.82 OC K = 882 Od. K= 110 Oe K= 131 en 13 The heat capacity of silver (Ag. 107.9 g maol), is 0.232 J g'K Calculate the energy needed to heat 2e mo saved II

Consider the following reaction: 2NH3(g) N₂(g) + 3H₂(g) If 1.54x10-3 moles of NH3(g), 0.549 moles of N₂, and 0.352 moles of H₂ are at equilibrium in a 19.7 L container at 792 K, the value of the equilibrium constant, K, is

Consider the following reaction and its equilibrium constant at some temperature. 2NH3(g) = N₂(g) + 3H₂(g) K₂=35 If the following concentrations are present initially: [NH3] = 0.10 M; [N₂] = 2.00 M; [H₂) = 2.00 M.. Which of the following is correct about the reaction? 1.The reaction is at equilibrium. 2.The reaction is not at equilibrium, it will shift to the left to reach equilibrium. 3.the reaction is not at equilibrium it will shift to the right to reach equilibrium.

O KINETICS AND EQUILIBRIUM Using the general properties of equilibrium constants At a certain temperature, the equilibrium constant K for the following reaction is 380.: NO,(8) + CO(3) = NO(g) + CO,(3) Use this information to complete the following table. Suppose a 16. L reaction vessel is filled with 1.4 mol of NO, and 1.4 mol of CO. What can you say about the composition of the mixture in the vessel at equilibrium? There will be very little No, and CO. O There will be very little NO and CO,. O Neither of the above is true. What is the equilibrium constant for the following reaction? Be sure your answer has the correct number of significant digits. K = ] NO(9)+CO,(9) NO,(9)+CO(g) What is the equilibrium constant for the following reaction? Be sure your answer has the correct number of significant digits. K = ] %3D 3 NO,(9)+3CO(g) 3 NO(g)+3CO,(9) 1L Explanation Check III

When nitrogen gas reacts with oxygen gas, nitrogen monoxide gas forms: N2(g) + O2(g) ⇋2NO(g) Initially, 0.40 mol of each reactant is placed into a 2.0 L container and equilibrium is established. If Keq=50.1 for the reaction, what are the equilibrium concentrations of all reactants and products? What two conditions are required, if we want to move reaction forward.

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Consider the following reaction: 2NH3(g) N₂(g) + 3H₂(g) If 5.40x10-4 moles of NH3(g), 0.450 moles of N₂, and 0.215 moles of H₂ are at equilibrium in a 15.1 L container at 846 K, the value of the equilibrium constant, K, is