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Question 25 3 pts The graph shows how the concentrations of H2O) and H) change with...
20. Phosphorus pentachloride decomposes to phosphorus trichloride at high temperatures according to the equation: PCs (8) PCI (g) + Cl (8) At 250°, 0.250 M PCs is added to the flask. If Ke-1.80, what are the equilibrium concentrations of each gas? (6 pts) 21. The pH of 0.250 M HF is 2.036. What are the values of K, and pK, for hydrofluoric acid? (8 pts) weak acid that dissociates in water to vield CN as conjugate base. If the K....
Question 23 3 pts Reaction rates at various initial concentrations of reactants were measured at 900°C for the following reaction 2NO(g) + 2H2(N) + 2 H2O() Use the data in the table to determine the rate law for the reaction. Initial Rate (M/S) Initial [NO] 0.300 0.150 0.250 Initial [H.] 0.100 0.100 0.200 5.69 x 10-2 1.42 x 10- 7.90 x 10- o Rate - k[NO] Hal o Rate - KINOJH2] o Rate -KINO Hal o Rate =kINO] [Hala Question...