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QUESTION 6 Which of the following is the equilibrium expression for the reaction: NiCO3(s) = Ni2+(aq) + CO32-(aq) a...
The reaction MgCO3(s) ⇌ Mg2+(aq) + CO32-(aq) has Ksp = 6.8x10-6 at 25oC. The reaction MgCO3(s)...
The reaction MgCO3(s) ⇌ Mg2+(aq) +
CO32-(aq) has Ksp =
6.8x10-6 at 25oC.
The reaction MgCO3(s) = Mg2+(aq) + C032 (aq) has Ksp = 6.8x10 at 25°C. What is the value of Osp when [Mg2+] = 0.00150 M and (CO321 = 0.00120 M? 2.2x10-9 1.8x10-6 O 3.2x10-12 5.6x105 Under these concentration conditions given in the question above, is this reaction moving in the forward or reverse direction to reach equilibrium? Why? forward, because Q>K forward, because Q<K reverse, because Q>K...
5 of 25 Indicate the expression for K for the reaction below. Coz(CO3)(s) =2.00°aq) + 3C032421...
5 of 25 Indicate the expression for K for the reaction below. Coz(CO3)(s) =2.00°aq) + 3C032421 ence or x=/2004/2007 2-/24/01/12/2017) (co, (CO3)3] (003+1/002) = Tco (CO://
Question 15 (1 point) Longer problem Consider the following redox reaction: Ca(s) + Ni2+ (aq) +...
Question 15 (1 point) Longer problem Consider the following redox reaction: Ca(s) + Ni2+ (aq) + Ca2+ (aq) + Ni(s) For this reaction E = +2.53 V Calculate the equilibrium constant Kc for this reaction. 2.97 x 1085 1.32 1037 3.37 x 10-86
6. What is the chemical equilibrium expression for the equation 2A2B (aq) + 3CD(aq) + A4D(aq)...
6. What is the chemical equilibrium expression for the equation 2A2B (aq) + 3CD(aq) + A4D(aq) + C3B2(aq)? a. 6[A,B][CD] [A,BI”[CD] [A,D][C3B,] [A,DIC,B,] b. [A,DIC,B,] 6[A, B][CD] d. [A DIC,B,] [A, B]*[CD] 7. At equilibrium, a. the forward reaction rate is lower than the reverse reaction rate. b. the forward reaction rate is higher than the reverse reaction rate. c. the forward reaction rate is equal to the reverse reaction rate. d. Both the forward reaction and reverse reaction have...
Determine the equilibrium constant at 298 K for the reaction: Zn (s) + Ni2+ (aq) Zn2+...
Determine the equilibrium constant at 298 K for the reaction: Zn (s) + Ni2+ (aq) Zn2+ (aq) + Ni (s) (Hint: Start with the E°) A) (4.1 ± 0.1) x 10 3 B) (1.7 ± 0.1) x 10 17 C) (9.3 ± 0.1) x 10 8 D) (6.4 ± 0.1) x 10 -6 --------------------------------------------------------------------------------------------------------------- Consider the following reaction: CO(g) + H2O(g) CO2(g) + H2(g). Assume ΔH°rxn = 41.0 kJ/mol for all temperatures in this problem. If Kp = 5.10 at...
6. Consider a voltaic cell based on the following cell reaction: Ni(s) + At2(s) ? Ni2+(aq)...
6. Consider a voltaic cell based on the following cell reaction: Ni(s) + At2(s) ? Ni2+(aq) + 2At– (aq) Given that the standard cell emf is 0.55 V, what is the standard reduction potential for astatine? [E°(Ni2+/Ni) = –0.25 V]
Consider the following reaction at 298K. Fe2+ (aq) + Ni (s) —> Fe (s) + Ni2+...
Consider the following reaction at 298K. Fe2+ (aq) + Ni (s) —> Fe (s) + Ni2+ (aq) Which of the following statements are correct? Choose all that apply. O K>1 delta Gº > 0 Bºcell > 0 The reaction is reactant-favored. n=2 mol electrons Submit Answer Retry Entire Group 6 m Consider the following reaction at 298K. Pb2+ (aq) + Cu(s) → Pb (s) + Cu2+ (aq) Which of the following statements are correct? Choose all that apply. Eºcell <...
Use standard reduction potentials to calculate the equilibrium constant for the reaction: Ni2+(aq) + 2(aq)—Ni(s) +...
Use standard reduction potentials to calculate the equilibrium constant for the reaction: Ni2+(aq) + 2(aq)—Ni(s) + 12(5) Hint: Carry at least 5 significant figures during intermediate calculations to avoid round off error when taking the antilogarithm. Equilibrium constant: AGº for this reaction would be than zero.
Which equilibrium constant expression(s) are for the following reaction. NH3(aq)↔NH3(g) Choose from the list below and...
Which equilibrium constant expression(s) are for the following reaction. NH3(aq)↔NH3(g) Choose from the list below and enter the letters alphabetical order. (e.g. AH) A) (pNH3)eq F) (pNH3)eq2 B) [NH3]eq G) [NH3]eq-2 C) (pNH3)eq-1 H) (pNH3)eq-2 D) [NH3]eq-1 What is the equilibrium constant expression for the following reaction: Ru2+(aq) + 6NH3(aq)↔Ru(NH3)62+(aq) Choose from the list below and enter the letters alphabetical order. (e.g. For an equilibrium constant of [NH3]6eq[Ru2+]eq enter AH.) A) [Ru2+]eq E) [NH3]-1eq I) [Ru(NH3)62+]6eq B) [NH3]eq F) [Ru(NH3)62+]-1eq...
9. Identify the Brønsted-Lowry acid in the following reaction. H20(1) + CO32- (aq) + HCO3 (aq)...
9. Identify the Brønsted-Lowry acid in the following reaction. H20(1) + CO32- (aq) + HCO3 (aq) + OH-(aq) 10. The [H3O+] of a solution with pH = 8.7 is 11. Which of the following is a neutralization reaction? A) KCl (aq) + NaNO3(aq) → KNO3(aq) + NaCl(aq) B) HNO3(aq) + KOH(aq) → H20 (1) + KNO3(aq) C) H20(1) + SO3(g) → H2SO4 (aq) D) 4Na(s) + O2(g) → 2Na2O(s) E) 2NO2(g) → 2NO(g) + O2(g)
The reaction MgCO3(s) ⇌ Mg2+(aq) +
CO32-(aq) has Ksp =
6.8x10-6 at 25oC.
The reaction MgCO3(s) = Mg2+(aq) + C032 (aq) has Ksp = 6.8x10 at 25°C. What is the value of Osp when [Mg2+] = 0.00150 M and (CO321 = 0.00120 M? 2.2x10-9 1.8x10-6 O 3.2x10-12 5.6x105 Under these concentration conditions given in the question above, is this reaction moving in the forward or reverse direction to reach equilibrium? Why? forward, because Q>K forward, because Q<K reverse, because Q>K...
5 of 25 Indicate the expression for K for the reaction below. Coz(CO3)(s) =2.00°aq) + 3C032421 ence or x=/2004/2007 2-/24/01/12/2017) (co, (CO3)3] (003+1/002) = Tco (CO://
Question 15 (1 point) Longer problem Consider the following redox reaction: Ca(s) + Ni2+ (aq) + Ca2+ (aq) + Ni(s) For this reaction E = +2.53 V Calculate the equilibrium constant Kc for this reaction. 2.97 x 1085 1.32 1037 3.37 x 10-86
6. What is the chemical equilibrium expression for the equation 2A2B (aq) + 3CD(aq) + A4D(aq) + C3B2(aq)? a. 6[A,B][CD] [A,BI”[CD] [A,D][C3B,] [A,DIC,B,] b. [A,DIC,B,] 6[A, B][CD] d. [A DIC,B,] [A, B]*[CD] 7. At equilibrium, a. the forward reaction rate is lower than the reverse reaction rate. b. the forward reaction rate is higher than the reverse reaction rate. c. the forward reaction rate is equal to the reverse reaction rate. d. Both the forward reaction and reverse reaction have...
Consider the following reaction at 298K. Fe2+ (aq) + Ni (s) —> Fe (s) + Ni2+ (aq) Which of the following statements are correct? Choose all that apply. O K>1 delta Gº > 0 Bºcell > 0 The reaction is reactant-favored. n=2 mol electrons Submit Answer Retry Entire Group 6 m Consider the following reaction at 298K. Pb2+ (aq) + Cu(s) → Pb (s) + Cu2+ (aq) Which of the following statements are correct? Choose all that apply. Eºcell <...
Use standard reduction potentials to calculate the equilibrium constant for the reaction: Ni2+(aq) + 2(aq)—Ni(s) + 12(5) Hint: Carry at least 5 significant figures during intermediate calculations to avoid round off error when taking the antilogarithm. Equilibrium constant: AGº for this reaction would be than zero.
9. Identify the Brønsted-Lowry acid in the following reaction. H20(1) + CO32- (aq) + HCO3 (aq) + OH-(aq) 10. The [H3O+] of a solution with pH = 8.7 is 11. Which of the following is a neutralization reaction? A) KCl (aq) + NaNO3(aq) → KNO3(aq) + NaCl(aq) B) HNO3(aq) + KOH(aq) → H20 (1) + KNO3(aq) C) H20(1) + SO3(g) → H2SO4 (aq) D) 4Na(s) + O2(g) → 2Na2O(s) E) 2NO2(g) → 2NO(g) + O2(g)
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