Consider the following reaction: fructose-6-phosphate <-> glucose-6-phosphate. At equilibrium, the concentrations are 300mM fructose-6-phosphate and 600mM glucose-6-phosphate. What is deltaG" for the reaction? (Use the rounded number for the Gas constant: R=8 J/molk) a. -15936 J/mol O b.-1652 J/mol O c. 1652 J/mol O d. 15936 J/mol

The following reactions have been allowed to reach equilibrium. Consider the following changes that are introduced to the system and predict the direction of the equilibrium thift (to the left or to the nght). If no equilibrium shift is expected, write "no change". a. PCl (g)+Ch(g) PCl (g); some PCL is removed Ans. b. 2 SO (g) 2 SO:(g) + O:(g); pressure is increased Ans. c. COBR:(g)+ 18.2 kcal CO(g) + Bra:(g); temperature is increased Ans. d. 2 NOBr(g) 2 NO(g) + Br:(g); catalyst is added Ans. e. 2 NO(g) + Cl:(g)2 NOCI(g); exothemic; temperature is increased Ans. £ BACO (s) BaO(s) + CO:(g); Bao is added Ans. g PCl (g) + Cl(g) PCl-(g)+ energy; the reaction is cooled Ans. h. HPO, (aq) + H.O(I) PO, "(aq) + H.O (aq); NaOH is added Ans. i C:H. (g) +L(g) C:Hal: (g)+ heat; a catalyst is added Ans. j. AgBr (3) Ag (aq) +Br(aq); AgBr is added Ans.

Consider the following equilibrium reaction: 2 HCl (g)   +   I2 (s)   ⇋⇋   2 HI (g)   +   Cl2 (g) If I2 were added to the system, would the amount of Cl2 increase or decrease? Select one: a. increase b. decrease c. no change

Consider the following system at equilibrium where H° = -18.8 kJ, and Kc = 10.5, at 350 K:2CH2Cl2(g) CH4(g) + CCl4(g)If the TEMPERATURE on the equilibrium system is suddenly increased: The value of Kc fill in the blank 1 A. Increases     B. Decreases     C. Remains the same   The value of Qc fill in the blank 2 A. Is greater than Kc     B. Is equal to Kc     C. Is less than Kc   The reaction must: fill in the blank 3 A. Run in the forward direction to restablish equilibrium.     B. Run in the reverse direction to restablish equilibrium.     C. Remain the same. Already at equilibrium.   The concentration of CCl4 will: fill in the blank 4 A. Increase.     B. Decrease.     C. Remain the same.