5. Which side of the equilibrium will the following reactions most like sit? Give a thoroug explanation for how you derived your answers. The cations are omitted for clarity. C points) O + HO + H₂O OH

Kafor acetic acid (HC2H3O2) at 25°C is 1.754105 . At 50°C, Kais 1.633105 . Assuming that H° and S° are not affected by a change in temperature, calculate S° for the ionization of acetic acid.

If you observe the following reaction at equilibrium, is it possible to tell whether the reaction stated with pure NO2 or with pure N2O4? 2NO2(g)N2O4(g)

How is the strength of an acid related to the position of its ionization equilibrium? Write the equations for the dissociation (ionization) of HCI, HNO3, and HClO4in water. Since all these acids are strong acids, what does this indicate about the basicity of the Cl-, NO3, and ClO4ions? Are aqueous solutions of NaCl, NaNO3, or NaClO4basic?

Consider citric acid, H3C6H5O7, added to many soft drinks. The equilibrium constants for its step-wise ionization areKa1=7.5104 ,Ka2=1.7105, andKa3=4.0107. Write the overall net ionic equation and calculate K for the complete ionization of citric acid.

What is the effect on the concentrations of NO2-, HNO2, and OH- when the following are added to a solution of KNO2 in water: (a) HCl. (b) HNO2. (c) NaOH. (d) NaCl. (e) KNO The equation for the equilibrium is: NO2(aq)+H2O(l)HNO2+OH(aq)

Hi, I only need help with question # 3.    Equilibrium Write the equilibrium expressions for the following reactions:a) 3Fe(s) + 4H2O(g) ↔ Fe3O4(s) + 4H2(g)b) CH3COOH(aq) + H2O(l) ↔ CH3COO-(aq) + H3O+(aq)c) N2(g) + 3Br2(g) ↔ 2NBr3(s)d) CaCl2(s) ↔ Ca2+(aq) + 2Cl-(aq) Consider the following equilibrium:  CH3COOH(l) + C2H5OH(l) ↔ CH3CO2C2H5(l) + H2O(l) Keq =2.2 What must the concentration of water be for a mixture with [CH3COOH]= 0.10M, [CH3CO2C2H5]=2.0M, [C2H5OH]= 5.0M to be at equilibrium? Note: water is NOT the solvent in this reaction, therefore it will be included in the equilibrium expression.     3. Predict the direction of the following equilibrium shifts (Please label Forward (F) or Reverse (R)):   a) H2O (g) + CO(g)↔ H2(g) + CO2(g) Water is removed? ___Hydrogen is added? ___Carbon monoxide is added? ___b) 4Fe(s) + 3O2(g) ↔ 2Fe2O3(s) + 1648 kJThe temperature is increased? ___The pressure is increased? ___c) CaCl2(aq) ↔ Ca2+(aq) + 2Cl-(aq) NaCl is added? ___AgNO3 is added? ___

Consider the following reaction: CH₃COOH(aq) + H₂O(l) ⇌ CH₃COO⁻(aq) + H₃O⁺(aq). An increase in the pressure of the chamber where this reaction takes place will result in A) an increase in CH₃COOH. B) an increase in CH₃COO⁻. C) an increase in H₃O⁺. D) both (B) and (C). E) no change.

34. For a generic acid equilibrium: HA (aq) H*(aq) + A (aq) which of the following statements are true? (a) If you add a strong acid to a solution of HA that is at equilibrium, the concentration of A- would decrease. (b) If you add a strong acid to a solution of HA that is at equilibrium, the concentration of HA would decrease. (c) If you a strong acid to a solution of HA that is at equilibrium, the pH of the solution would increase. (d) The equilibrium constant for this reaction changes as the pH changes. (e) If you add a strong acid to a solution of HA that is at equilibrium, the concentration of H* of the solution would decrease.

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