Question

3. Write chemical equations for the following equilibrium expressions. [N2][CO2]4[H20]1º[02] a. K= [C3H5N309]4 b. K = [CO2]4 [H20]4 [C4H8][0216 c. K = [NaCl]-[H2S] [HCL]2[Na2S] d. K [CO2][H20][Na2S04] [Na2CO3][H2S04]

For each of the following, calculate [H3O+], [OH-] and determine if the compound is acidic, basic, or neutral. (15 points)

1. Grapefruit juice, pH = 3.15

2. Tears, pH = 7.44

Write an equilibrium expression and calculate the equilibrium constant for the following reaction and given concentrations: [O2] = 1.88 M, [ClO2] = 4.03 M, [Cl2O5] = 0.309 M

?+ (?) + 4???+ (?) → 2??+?,(?)

Answer 1

3. a) 4 Calls N30g > 6N₂ + 400 + 10 H2O + ₂ 6 CA Hg + 60 440, + 4H₂O () 2 Hel + Nas - 2 Nadt Has н, о T Cot of Na, so d) Na, coz + H2504 -3.15 10 = 3.15 =) P e) pH = 3.15 pH = -log (4207) - 3.15 (Hg 07 ) - 1441 xiom my [":0*] (06°): 10 xiang ; (on) - 1.4 xro". ly M pH < so ACOOL - Fx 4 4 pH = -log (H20p] = 7.44 - [Hgot] [tyor): | 3.6 xD Xiang 14 loxio 14 2.8x107 m [ot] = loxio (4307 3.68109 pH > f so BASIC 5) O2 (9) 1 4 dloz (9) 2005 (8) ka [clos] 2 (0.308) 2 Toel (clog] 1.88) (4:03) 1o8x10 t