8) The Ksp expression for lead (II) iodide is:a.[Pb2+ ][I¯]2+b. [Pb²+]² [1]²c. [Pbl₂]d. [Pb²+][-]² 7) The pH of a 0.05M solution of HCl(aq) at 25°C isa. 1.3b. 2.3c. 3.3d. 12.7

7) The ph of a given acidic solution can be easily found using this equation:…

Answered: 8) The Ksp expression for lead (II)…

Chemistry

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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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3.1 9 (a) Define and write the expression of K for the dissociation of water W (H₂O). K is the Kw (b) Calculate the pH of 0.1 mol dm3 potassium hydroxide (KOH (aq pH = of 3.2 10. Explain briefly the effect of temperature on K.
3.1 9 (a) Define and write the expression of Kw for the dissociation of water (H₂O). Kw is the Kw = of (b) Calculate the pH of 0.1 mol dm³ potassium hydroxide (KOH(aq)) pH =
1) Calculate the pH of a solution prepared by dissolving 1.90 g of sodium acetate, CH,COONA, in 64.0 mL of 0.15 Macetic acid, CH;COOH(ag). Assume the volume change upon dissolving the sodium acetate is negligible. K, of CHCOOH is 1.75 x 105. Calculate the amount of heat released or absorbed by the following substance: 90.23g of iron, AT= 86°C Calculate the amount of heat released or absorbed by the following substance: 7.45g of silicon, final temperature = -10°C, initial temperature = 25°C
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Determine if the following salt is neutral, acidic or basic. If acidic or basic, write the appropriate equilibrium equation for the acid or base that exists when the salt is dissolved in aqueous solution. If neutral, simply write only NR. KC3H;O3 O4- 3- O2+ 3+ D 4+ 1 2 3 4 6. 7 8 9 1 3 4 6. 7 (s) (1) (g) ||(aq) + NR OH C H H30* H20 K Reset • x H20 Delete 1L LO 2. 2.
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The simplest amino acid is glycine, H2NCH2CO2H. The common feature of amino acids is that they contain the functional groups: an amine group, –NH2, and a carboxylic acid group, –CO2H. An amino acid can function aseither an acid or a base. For glycine, the acid strength of the carboxyl group is about the same as that of acetic acid, CH3CO2H, and the base strength of the amino group is slightly greater than that of ammonia, NH3.(a) Write the Lewis structures of the ions that form when glycine is dissolved in 1 M HCl and in 1 M KOH.(b) Write the Lewis structure of glycine when this amino acid is dissolved in water.

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8) The Ksp expression for lead (II) iodide is: a. [Pb2+ ][I¯] 2+ b. [Pb²+]² [1]² c. [Pbl₂] d. [Pb²+][-]² 7) The pH of a 0.05M solution of HCl(aq) at 25°C is a. 1.3 b. 2.3 c. 3.3 d. 12.7