For each reaction, predict in what direction the equilibrium will shift when the volume of the reaction vessel is decreased.
(a)
(b)
(c)
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Chemistry: Atoms First
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- Nitrosyl bromide, NOBr, dissociates readily at room temperature. NOBr(g) NO(g) + Br2(g) Some NOBr is placed in a flask at 25 C and allowed to dissociate. The total pressure at equilibrium is 190 mm Hg and the compound is found to be 34% dissociated. What is the value of Kp?arrow_forwardWrite the mathematical expression for the reaction quotient, QC, for each of the following reactions: (a) CH4(g)+CI2CH3CI(g)+HCI(g) (b) N2(g)+O2(g)2NO(g) (c) 2SO2(g)+O2(g)2SO3(g) (d) BaSO3(s)BaO(s)+SO2(g) (e) P4(g)+5O2(g)P4O10(s) (f) Br2(g)2Br(g) (g) CH4(g)+2O2(g)CO2(g)+2H2O(l) (h) CuSO45H2O(s)CuSO4(s)+5H2O(g)arrow_forwardAmmonium iodide dissociates reversibly to ammonia and hydrogen iodide if the salt is heated to a sufficiently high temperature. NH4I(s) NH3(g) + HI(g) Some ammonium iodide is placed in a flask, which is then heated to 400 C. If the total pressure in the flask when equilibrium has been achieved is 705 mm Hg, what is the value of Kp (when partial pressures are in atmospheres)?arrow_forward
- Show that the complete chemical equation, the total ionic equation, and the net ionic equation for the reaction represented by the equation KI(aq)+I2(aq)KI3(aq) give the same expression for the reaction quotient. KI3 is composed of the ions K+ and I3-.arrow_forwardAt a particular temperature, iodine vapor, I2, is added to a bulb containing H2(g). Describe what is happening to the concentrations of reactants on the molecular level: (a) at the moment I2 enters the reaction bulb (b) as reaction proceeds (c) at equilibriumarrow_forwardKp for the formation of phosgene, COCl2, is 6.5 1011 at 25 C. CO(g) + Cl2(g) COCl2(g) What is the value of Kp for the dissociation of phosgene? COCl2(g) CO(g) + Cl2(g)arrow_forward
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