QUESTION 4 Which is the correct equilibrium constant equation for the reaction indicated below? NH3(aq)+ H20()...
Concerning the equation, NH3 + H20 <-> NH4+ + OH", (<-> consider as an equilibrium arrow) which of the following statements are TRUE? (i) NH3 and OH are weak bases. (ii) NH3 is a Bronsted base and NH4+ is its conjugate acid. (iii) H20 is a Bronsted acid and OH is its conjugate base. (iv) NH4+ is a weaker acid than H20. Oi, ii, iii Oi, i Oii, iv O ii, iii o all statements are true
Question 5 (1 point) Concerning the equation, ! Law NH3 + H2O <-> NH4+ + OH", (<-> consider as an equilibrium arrow) which of the following statements are TRUE? (0) NH3 and OH' are weak bases. (ii) NH3 is a Bronsted base and NH4+ is its conjugate acid. (iii) H20 is a Bronsted acid and OH is its conjugate base. (iv) NH4+ is a weaker acid than H20. O all statements are true 'Oi, ii, iii Oli, iv Oi, ii...
3) Which of the following expressions is the correct equilibrium-constant expression for the reaction below? (NH4)2Se (s) 2NH3 (g) + H2Se (g) (A) (NH3P|H2Se] B) ((NH4)2Se] / [NH312 [H2Se] C) 1/[(NH4)2Se] D) [NH3][H2Se] / [(NH4)2Se] E) INH3)2(H Se] / [(NH4)2Se]
< Question 6 of 11 > Write the equilibrium-constant expression for the reaction shown in terms of [SO], [CO,1. [CS], and 250,(g) + CO,(g) = CS,() + 30,() Kc, which is sometimes symbolized as K or Keq, denotes that the equilibrium constant is expressed usis concentrations. For this question, K. means the same thing as K and Keq K=
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...
13 Question (3 points) Choose the correct equilibrium constant expression for the following reaction 2HF(g) +H,0() H20+ (aq) + HF, (aq) c. K= [H,0+][HE] (HF) [H20+][HE] (HF)[ HO] [H3O+][HF3] [HF] [HO] [HF12 D. K IH,+ HFZ. Choose one: OA Ов < 12.-
Calculate the OH- concentration at equilibrium in the following reaction: NH3 (aq) + H20 (1) -> NH4+ (aq) + OH- (aq) (Kb = 1.8 x10^(-5) (1 point) O 1x10^(-14) M O2.7 x10^(-3) M O 7.2 x10^(-6) M O None of the above Question 15 Which of the following pH values indicates the most basic solution? (1 point)* O pH=12 O pH=4 O pH=8 O pH=9
< Question 7 of 10 > Substance Calculate the equilibrium constant for the chemical reaction, given the equilibrium concentrations of the reactants and products in the table. Equilibrium concentration 4.01 M AB CD 3.60 M 4.82 M 2 AB(aq) + 4CD(aq) = 2 AD(aq) + 2 BD(aq) + 4C(aq) 2.22 M 3.66 M
For which of the following reactions will the reactants be favored at equilibrium? NH3(aq) + H30+ (aq) = NH4+ (aq) + H20(1) CO32- (aq) + H30+ (aq) = HCO3(aq) + H2O(1) CH3COOH(aq) + OH(aq) = CH3COO" (aq) + H2O(1) HSO3- (aq) + H3O+ (aq) =H2SO3(aq) + H2O(1) CIOA" (aq) + H3PO4(aq) = HCIO4(aq) + H2PO4" (aq)
What is the correct equilibrium constant for the reaction below? H2SO3 (aq) + 2 H2O (aq) ↔ SO32- (aq) + 2 H3O+ (aq)