Determine the pH of a 0.10 M solution of HNC,H,SO, (pKa = 2.32).%3D13NEXTBased on the given values, set up ICE table in order to determine the unknown.HNC,H,SO,(aq) +H,O(1)H,Oʻ(aq)+ NC,H,SO;(aq)Initial (M)Change (M)Equilibrium (M)5 RESET0.102.320.20+x-X+2x-2x0.10 + x0.10 - x0.10 + 2x0.10 - 2x0.20 + x0.20 -0.20 + 2x0.20 - 2x Determine concentration of OH in a 0.724 M solution of BrO (Kb = 4.0 x 10*).13NEXT>Based on the given values, set up ICE table in order to determine the unknown.BrO(aq)H̟O(1)OH(aq)HBRO(aq)++Initial (M)Change (M)Equilibrium (M)5 RESET0.7244.0 x 1060.362+x-X+2x-2х0.724 + x0.724 - x0.724 + 2x0.724 - 2x4.0 x 106 + x4.0 x 106 - x4.0 x 106 + 2x4.0 x 10° - 2x

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Determine the pH of a 0.10 M solution of HNC,H,SO, (pKa = 2.32). %3D 1 2 3 NEXT Based on the given values, set up ICE table in order to determine the unknown. HNC,H,SO,(aq) + H,O(1) H,O(aq) + NC,H,SO,(aq) Initial (M) Change (M) Equilibrium (M) RESET 0.10 2.32 0.20 +x +2x -x -2x 0.10 + x 0.10 - x 0.10 + 2x 0.10 - 2x 0.20 + x 0.20 - x 0.20 + 2x 0.20 - 2x

Determine the pH of a 0.10 M solution of HNC,H,SO, (pKa = 2.32). %3D 1 2 3 NEXT Based on the given values, set up ICE table in order to determine the unknown. HNC,H,SO,(aq) + H,O(1) H,O(aq) + NC,H,SO,(aq) Initial (M) Change (M) Equilibrium (M) RESET 0.10 2.32 0.20 +x +2x -x -2x 0.10 + x 0.10 - x 0.10 + 2x 0.10 - 2x 0.20 + x 0.20 - x 0.20 + 2x 0.20 - 2x

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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16.4 Q8
Calculate the value of the equilibrium constant.
Learning Goal: To understand how to calculate the equilibrium constants for chemical equations that can be produced by the addition of other chemical equations with known equilibrium constants. For a chemical reaction equation with the general form the equilibrium equation is given by Thus, for a chemical reaction equation with the general form the equilibrium equation is given by If the first two equations are added together such that then the equilibrium equation is given by or K3 aA + bB =cC + dD = K₁ = cC + dD=eE+fF K2 = [C] [D]d [A]ª[B]b [E] [F] [C]c[D]d aA +bB=eE+fF = [E] [F] [CD] [A]a[B]b [A]a[B] [E] [F] [C]c[D]d K3 = K₁ K₂ Thus, when a chemical equation is the sum of two chemical equations for which equilibrium constants are already known, the equilibrium constant for the reaction is the product of the equilibrium constants for the individual reactions. Keep in mind that equilibrium equations do not include expressions for any pure solids or liquids that may be involved in the…
ion 1 of 5 O Macmillan Learning Initially, 0.740 mol of A is present in a 4.50 L solution. 2 A(aq) 2 B(aq) + C(aq) 0.130 mol of C is present. Calculate K. At equilibrium,
Determine concentration of OH in a 0.724 M solution of BrO¯ (Kb = 4.0 x 10-6). 1 2 3 NEXT > Based on the given values, set up ICE table in order to determine the unknown. BrO (aq) H20(1) OH (aq) HBRO(aq) + + Initial (M) Change (M) Equilibrium (M) 5 RESET 0.724 4.0 x 10-6 0.362 +x +2x -x -2x 0.724 + x 0.724 - x 0.724 + 2x 0.724 - 2x 4.0 x 10-6 + x -9- 4.0 x 10-6 - x 4.0 x 10-6 + 2x 4.0 x 10-6 - 2x
Consider the following equilibrium for nitrous acid, HNO2 a weak acid: HNO2 (aq) + H2O (l) H30' (aq) + NO2(aq) ΔΗ > O 麷 m In which direction ( shift, if: -a) NaOH is added? Left, Right or No effect will the equilibrium Select l - b) NaNO2 is added? I Select ] c) HCI is added? I Select ] d) The acid solution is made more dilute? l Select Next
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What’s the the equilibrium for this
QUESTION 1 Consider the following equilibrium reaction. CO2(g) + 2H2(g) СН3ОН(g) ДНО %3 -90.8 kJ Which of the following will increase the equilibrium constant, K? а. Increase in temperature. b. ·Increase in amount of CH3OH(g). С. Increase in pressure. d. Decrease in pressure. е. Decrease in temperature. QUESTION 2 The anion of a weak acid а. will produce H+ ions in water. b. is an acidic ion. С. is a basic ion. d. is a neutral ion. е. will lower the pH of the solution.
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