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# q2p302 - CH 302 TA Practice Quiz 2 1 Determine the correct...

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CH 302 TA Practice Quiz 2 1. Determine the correct equilibrium expression for the reaction of hydrogen gas with nitrogen gas to produce ammonia gas. (You will need to write the balanced reaction yourself) a. K p = {P N2 P H2 2 } / P NH3 3 b. K p = P NH3 3 / {P N2 P H2 2 } c. K c = [NH 3 ] 2 / {[N 2 ][H 2 ] 3 } d. K c = {[N 2 ][H 2 ] 2 } / [NH 3 ] 3 2. In the reaction below the partial pressures are P CO2 = 2 atm, P Cl2 = .20 atm, P CCl4 = 10 atm, P O2 = 0.5 atm. Determine the direction of the reaction and why. (K p = 6.4 x 10 -18 ) CO 2 (g) + 2 Cl 2 (g) ° CCl 4 (g) + O 2 (g) a. Shift right, Q<K b. Shift left, Q=K c. Shift left, Q<K d. Shift right, Q>K e. Shift left, Q>K f. No shift, K<Q 3. Steel rusting is exothermic. It's mostly made of iron, which when reacted with oxygen will form iron oxide (Fe 2 O 3 ). An increase in which of the following compounds will be seen when the temperature decreases? a. Fe b. O 2 c. Fe 2 O 3 a. I b. I and II c. I, II and II d. II e. II and III f. III g. I and III 4. Consider the following reaction: 6 H 2 (g) + N 2 (g) ° 2 NH 3 (g) , K eq = 2 x 10 12 Which combination of concentrations of H

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q2p302 - CH 302 TA Practice Quiz 2 1 Determine the correct...

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