In January 2025
Answer to Question #185216 in General Chemistry for George Jimayi
The equilibrium constant Kc of the reaction: H2 (g) + I2 (g) ˂˂˂˗˗˗˗˗˗˗˃˃˃˃ HI (g) is 54.3 at 430 oC. Starting with 6.0 moles of HI in a 1.0 dm-3 reaction vessel.
i. Calculate the concentrations of H2 (g), I2 (g) and HI (g) at equilibrium.
ii. If H2 (g) is added to the reaction vessel to increase its concentration to 2.0 M, determine the reaction quotient Q, then calculate the concentration of all the gases when the new equilibrium is re-established.
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Dear Moba Limata please post a new task
A 25 cm3 sample of an aqueous solution of barium hydroxide, of concentration 0.146 mol dm3 was exactly neutralized by 28.7cm3 of aqueous nitric acid, according to the unbalanced equation: Ba (OH)2 (aq) + HNO3(aq) ˗˗˗˗˗˗˗˗˃ Ba(NO3)2 (aq) + H2O (l) i. Calculate the amount of nitric acid in terms molarity and in terms of number of moles
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