Open QuestionThe reaction H2(g) + I2(g) ⇌ 2 HI(g) has ∆H = -2.2 kcal/mol (-9.2 kJ/mol). Will the equilibrium concentration of HI increase or decrease whenH2 is removed?
Open QuestionThe reaction Fe 3+(aq) + Cl -(aq) ⇌ FeCl 2+(aq) is endothermic. How will the equilibrium concentration of FeCl 2+ change whenCl - is precipitated by addition of AgNO3?
Open QuestionMany carbonate minerals are insoluble in water and appear in water pipes as 'scale.'Why is scale formation typically only a problem in hot water pipes?
Multiple ChoiceConsider the reaction below:CH4 (g) + F2 (g) ⇌ CF4 (g) + HF (g) H = + 38.1 KJ/molThe following changes will shift the equilibrium to the left except one. Which one would not cause a shift to the left?
Multiple ChoiceWhich direction will the following reaction (in a 10.0 L flask) proceed if a catalyst is added to the system? CaCO3 (s) ⇌ CaO (s) + CO2 (g) Kp = 3.2 x 10-28
Multiple ChoiceConsider the following gas reaction of A2 ( shaded spheres) and B2 ( unshaded spheres)A2 (g) + B2 (g) ⇌ 2 AB (g) Which container proceeds more to completion?
Open QuestionIs the yield of SO3 at equilibrium favored by a higher or lower pressure? By a higher or lower temperature?2 SO2(g) + O2 ⇌ 2 SO3(g) ∆H = -47 kcal/mol
Open QuestionWhat effect do the listed changes have on the position of the equilibrium in the reaction of carbon with hydrogen?C(s) + 2 H2(g) ⇌ CH4(g) ∆H = -18 kcal/mol (-75kJ/mol)Increasing temperature