6. For the reaction HCN (9) + H200) = H* (aq) + CN- (aq) how would...
please help with question four and five 3. For the reaction PbCl2 (6) Pb2+ + 2CV, what is the value of the equilibrium constant if [Pb 2+] = 0.0022 M and (CI) is 0.027 M? [P621] = 0.002am kc [Pb2+] [...] [cr] =0.027m [PbCl2 (s) [pbela (s)]= Ke=0.0022x10.02222 4. The equilibrium constant for the reaction of nitrogen and hydrogen to produce ammonia is = 1.6.x10-6 0.094 M? at 450°C. If [N2) =0,012 M and [H2] = 0.42 M at equilibrium,...
8. For the reaction HCN (%) + H2O (1) HO*)+CN) how would adding OH-shift the equilibrium? 9. For the reaction Fe(OH)3 (8) Fe' + 3 OH how would adding OH" affect the equilibrium? 10. For the reaction Fe(OH)3 () + Fe 3+ + 3 OH how would adding H30affect the equilibrium? 11. Write the reaction for the combustion of propane gas (CsHx). If the reaction occurs in a closed vessel (no addition or removal of reactants or products) how could...
2.) Suppose in the following reaction we begin with 0.250M of HCN. What is the pH at equilibrium. Note that H30*=H. HCN(aq) + H20(1) H30*(aq) + CN (ag)
CHEM 2A Class Pack FIB 8. Consider the equilibrium system: HCN (aq) + H20 (1) H,O* (aq) + CN' (a) a) write an equilibrium expression for this reaction b) Predict the direction the position of equilibrium will shift as a result of the following disturbances, 1. (HCN) increases ii. KCN is added iii. KCl is added iv. pH decreases V. KOH is added 9. Consider the equilibrium system: C(s) + CO2(g) + heat 2 CO (9) 1. write an equilibrium...
13. Which are the Bronsted BASES in the following reaction?.njanela H-PO: (aq) + CN (aq) →HPO/?"(aq) + HCN (aq) a) H PO, and HPO.2 b) H PO, and HCN c) CN and HPO d) CN and HCN Helou HCl A Br HI 14. Put the following acids in order in terms of increasing acid strength and explain why. Which of the following is NOT -conjugate acid-base pair a) HI< HBr< HCI<HF. The size of the halide is decreasing and the...
CoH5OH(aq) + CN-(aq) + + HCN(aq) + C6H50-(aq) The equilibrium constant for this reaction is less than 1. What is the strongest base in this system? O C6H5OH(aq) CN (aq) O HON(aq) O C6H50°(aq)
Balance the following redox reaction occurring in basic solution. Ag(s) + CN- (aq) + O2(g) → Ag(CN), (aq) 2 Ag(s) + 4CN (aq) +202 + H2O(l)(9) + 2 Ag(CN)2 (aq) + 2OH(aq) • 2 Ag(s) + 8 CN (aq) + 402 + 2 H20(1)(g) + 4 Ag(CN)2 (aq) +8 OH(aq) 4 Ag(s) + 2 CN (aq) + O2 + 4H2O(1)(9) + 4 Ag(CN)2 (aq) + 8 OH (aq) 4 Ag(s) + 8 CN (aq) + O2 + 2 H20(1)(9) +...
Question 1 Glucose metabolism can be represented by the following chemical reaction: C6H12O6(aq)+6O2(g)6CO2(g)+6H2O(l) H for the reaction is -2837 kJ/mole. Is this reaction endothermic or exothermic? Write an expression for the equilibrium constant for this reaction. Given that the value of the equilibrium constant is very large, would you expect this reaction to be fast or slow? Explain the effect on equilibrium of Increasing temperature Increasing pressure by decreasing the volume Decreasing concentration of oxygen Increasing the concentration of...
please explain the steps please 5. Determine the Ky for CN at 25°C. The K, for HCN is 4.9 x 10-10. 6. Determine the Ka of an acid whose 0.294 M solution has a pH of 2.80. 7. Determine the acid dissociation constant for a 0.020 M formic acid solution that has a pH of 2.74. Formic acid is a weak monoprotic acid and the equilibrium equation of interest is HCOOH(aq) + H20(1) =H30+(aq) + HCO2-(aq).