A student ran the following reaction in the laboratory at 744 K: N2(g) + 3H2(g) 2NH3(g) When she introduced 4.00x10-2 moles of N2(g) and 5.96×10-2 moles of H2(9) a 1.00 liter container, she found the equilibrium concentration of NH3(g) to be 8.88x10-4 M.

A.) The equilibrium constant, K, for the following reaction is 2.90×10-2 at 1.15×103 K.2SO3(g) 2SO2(g) + O2(g)If an equilibrium mixture of the three gases in a 16.3 L container at 1.15×103 K contains 0.431 mol of SO3(g) and 0.309 mol of SO2, the equilibrium concentration of O2 is ______________________ M. ( fill in the blank )     B.) The equilibrium constant, K, for the following reaction is 6.50×10-3 at 298 K.2NOBr(g) 2NO(g) + Br2(g)If an equilibrium mixture of the three gases in a 19.7 L container at 298 K contains 0.433 mol of NOBr(g) and 0.500 mol of NO, the equilibrium concentration of Br2 is_______________________  M. ( fill in the blank)

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Phosphorus pentachloride decomposes according to the chemical equation PC15(g) PC13(g) + Cl₂(g) Kc = 1.80 at 250 °C A 0.1584 mol sample of PC1, (g) is injected into an empty 2.00 L reaction vessel held at 250 °C. Calculate the concentrations of PCl, (g) and PC13 (g) at equilibrium.

A student ran the following reaction in the laboratory at 1101 K:2SO2(g) + O2(g)      2SO3(g)When she introduced 0.104 moles of SO2(g) and 0.101 moles of O2(g) into a 1.00 liter container, she found the equilibrium concentration of SO3(g) to be 7.28×10-2 M.Calculate the equilibrium constant, Kc, she obtained for this reaction.

The equilibrium constant, Kc, for the following reaction is 1.20×10-2 at 500 K.PCl5(g) PCl3(g) + Cl2(g)Calculate the equilibrium concentrations of reactant and products when 0.246 moles of PCl5(g) are introduced into a 1.00 L vessel at 500 K. [PCl5] =  M [PCl3] =  M [Cl2] =  M

A student ran the following reaction in the laboratory at 709 K: N2g) + 3H2(g)2NH3(g) When she introduced 4.04x102 moles of N(g) and 6.09x102 moles of H2ig) into a 1.00 liter container, she found the equilibrium concentration of H2lg) to be 5.89x102 M. Calculate the equilibrium constant, K. she obtained for this reaction. K =

A chemical engineer is studying the following reaction: BF3(aq) + NH3(aq) → BF3NH₂(aq) At the temperature the engineer picks, the equilibrium constant K for this reaction is 1.9. с The engineer charges ("fills") three reaction vessels with boron trifluoride and ammonia, and lets the reaction begin. He then measures the composition of the mixture inside each vessel from time to time. His first set of measurements are shown in the table below. Predict the changes in the compositions the engineer should expect next time he measures the compositions. reaction vessel A B с compound BF 3 NH3 BF₂NH₂ BE 3 NH3 BF, NH3 BF3 NH3 BF3NH₂ concentration 0.65 M 0.70 M 0.88 M 0.03 M 0.07 M 1.06 M 0.04 M 0.08 M 1.05 M expected change in concentration ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↓ decrease ↓ decrease ↓ decrease ↓ decrease ↓ decrease ↓ decrease ↓ decrease decrease ↓ decrease X (no change) (no change) (no change) (no change) (no change)…

A student ran the following reaction in the laboratory at 325 K: 2NO(g) + Br2(g) 2NOBr(g) When she introduced 0.102 moles of NO(g) and 9.44x10-2 moles of Br2(g) into a 1.00 liter container, she found the equilibrium concentration of NOBR(g) to be 7.16x10-2 M. Calculate the equilibrium constant, Ke, she obtained for this reaction.

A chemical engineer is studying the following reaction: CH₂(g) + 2H₂S(g) → CS₂(g) + 4H₂(g) At the temperature the engineer picks, the equilibrium constant K for this reaction is 1.7 × 10³. р The engineer charges ("fills") four reaction vessels with methane and hydrogen sulfide, and lets the reaction begin. He then measures the composition of the mixture inside each vessel from time to time. His first set of measurements are shown in the table below. Predict the changes in the compositions the engineer should expect next time he measures the compositions. reaction vessel A B compound CH4 H₂S CS₂ H₂ CHA H₂S CS₂ H₂ pressure 5.65 atm 3.56 atm 5.77 atm 7.93 atm 4.69 atm 1.62 atm 6.73 atm 11.81 atm OO expected change in pressure ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase olo ↓decrease ↓decrease ↓ decrease ↓decrease ↓ decrease ↓decrease ↓ decrease ↓ decrease (no change) (no change) (no change) (no change) (no change) (no change) (no change) (no…