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In black-and-white film developing, excess AgBr is removed from the film negative by ‘hypo', an aqueous solution of sodium thiosulfate (Na2S2O3), through formation of the complex ion Ag(S2O3)2^3-. Calculate the solubility of AgBr in (a)H2O (b) 1.0M hypo. Kf of Ag(S2O3)2^3- is 4,7 x 10^13 and Ksp AgBr is 5 x 10^-13.
A 98 L sample of dry air cools from 138°C to -30.°C while the pressure is maintained at 2.85 atm. What is the final volume?
What is the absolute error in pKa according to pKa from the mid-point pH value? The true value is given in # (5) (9) What is the relative % error in pKa according to pKa from the mid-point pH value?
Oxygen, O2, can acquire one or two electrons to give o2-(superoxide ion) or o2^2-(peroxide ion) write the electron configuration for the following in molecular orbital terms: 1. o2 2. o2- 3. o2^2- also compare the o2 molecule on a)magnetic charact..
Compute the expected change in temperature for 1.7 grams of ammonium nitrate NH 4 NO 3 dissolved in 50.0 mili litres of water H 2 O.
What is the kinetic energy of the emitted electrons when cesium is exposed to UV rays of frequency 1.4x10^15Hz
for the experiment with eudiometer, you did not correct for the barometric pressure for the vapor pressure of water.
How many grams of sodium lactate (NaC3H5O3 ) should be added to 1.46 L of 0.150 M lactic acid (HC3H5 O3, Ka = 1.4 x 10-4) to form a buffer solution with pH = 4.12
Think about the reaction of (a) chlorine with sodium hydroxide and the reaction of (b) acetone with hypochlorite ion. Classify Each reaction as either:
What is the effect 1 mol of ideal gas p1 =760kpa p2= 202kps T= 37dgree c T2= 155k does the volume changed. by what factor is change.
2-methylcyclohexanol is a mixture of two isomers, what are they, and is it likely that this makes a difference in the product composition of dehydration
With of the following will change the value of an equilibrium constant a) changing temperature b) adding other substances that do not react with any of the species involved in the equilibrium
calculate the pH of solution formed by mixing 150 mL of 0.10M HC7H5O2 with 100 mL of 0.30M NaC7H5O2. The Ka for HC7H5O2 is 6.5 E -5
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