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- Hypothetical reaction A2 <--> A The In Kp = -33.47 at 2000K while deltaH0 = 205200 +4.94T - 0.888*10-3 T2 . At equilibrium, what will be the partial pressure of each component at a temperature of 8000K and 2atm total pressure?Suppose that the gas-phase reactions A --->B andB ---->A are both elementary processes with rate constantsof 4.7 x10-3 s-1 and 5.8 x 10-1 s-1, respectively.(a) What is the value of the equilibrium constant for theequilibrium A(g) ⇌ B(g)? (b) Which is greater at equilibrium,the partial pressure of A or the partial pressure of B?For the reaction A---> B the dissapearance of A is first-roder where k-0.030/min. If we begin with [A]=0.36 M, what will [A] be after 46 min?
- For the liquid-phase reaction A + 2B ⇄ C + 2D , it was found that when 2 mol A, 4 mol B and 2 mol C were mixed in 1 L of water and allowed to come to equilibrium at 25 0C, the resulting mixture contained 2 mol of D. Calculate equilibrium constant, K, for this reaction.A chemist at a pharmaceutical company is measuring equilibriumconstants for reactions in which drug candidatemolecules bind to a protein involved in cancer. The drugmolecules bind the protein in a 1:1 ratio to form a drug–proteincomplex. The protein concentration in aqueous solutionat 25 °C is 1.50 x 10-6 M. Drug A is introduced into the proteinsolution at an initial concentration of 2.00 x 10-6 M.Drug B is introduced into a separate, identical protein solutionat an initial concentration of 2.00x 10-6 M. At equilibrium,the drug A–protein solution has an A–protein complexconcentration of 1.00 x 10-6 M, and the drug B solutionhas a B–protein complex concentration of 1.40 x 10-6 M.Calculate the Kc value for the A–protein binding reactionand for the B–protein binding reaction. Assuming that thedrug that binds more strongly will be more effective, whichdrug is the better choice for further research?The equilibrium constant Kc for the folowing reaction is 7.17 at 350 K 2XY(g) ---> Y2(g)+X2(g) Calculate the equilibirum concentration of XY when .368 moles of XY are introduced into a 1.00l vessel at 350 k
- Given that CuBr would precipitate later than CuI in a solution containing equimolar concentrations of Br- and I-, it can be concluded that: A. Ksp,CuI < Ksp,CuBr B. Ksp,CuI > Ksp,CuBr C. Ksp,CuI = Ksp,CuBr D. Cannot be determinedThe equilibrium constant for the reactionCO2 (g) + H2 (g) ⇄ CO (g) + H2O (g) is 0.043 (Kc) at 600K. For each of the following mixtures (all concentrations are in units of molarity), indicate whether there is equilibrium, or, if not, in which direction the reaction willproceed:[CO2] [H2] [H2O] [CO]A 0.50 0.50 0.25 0.25B 0.25 0.25 0.0050 0.0050C 0.15 0.15 0.15 0.30analyze the dissociation of phosphogen corresponding to rxn COCl2 《》 CO + Cl2 At 900c kc = 0.083, if 0.40moles of COCl2 are introduced into a 2-liter container at 900c, what would be the equilibrium concentrations for all species?
- (a) If Qc > Kc, how must the reaction proceed to reachequilibrium? (b) At the start of a certain reaction, onlyreactants are present; no products have been formed.What is the value of Qc at this point in the reaction?At 750 K, the Kc is equal to 2.78 x 10−4 for the reaction given below. What is the Kp of thereaction at this temperature given that R = 0.0821 L-tm/mol-K?A(n) _____________ is a species that exists for a finite period of time during a reaction before it is converted to product.