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Problem- Tell whether the intensity of the red color of the solution would increase or decrease for each of these changes: (a) addition of more Fe3+ ion, (b) addition of more SCN- ion, (c) addition of more Fe (SCN)2+ ion, (d) dilution with water, (e) addition of a catalyst, and (f) addition of a base to precipitate Fe(OH)3
Solve the above problem and provide steps with explanation
What is the alkalinity of the river, What concentration of acid, for example, HCl, would result in a pH of 7.5
If you wanted to prepare a solution of CO in water at 25 in which the CO concentration was 2.1 mM , what pressure of CO would you need to use
a gas has a volume of 2.57L, a pressure of 1.54 atm, and a temperature of 24.5 C. calculate the number of moles of gas present.
calculate the Henry's law constant for oxgen solubility in freshwater undr these conditions
Barium imparts a characteristic green color to a flame. The wavelength of this light is 551nm. Determine the energy involved in kj/mol.
A weak acid HA (pKa = 5.00) was titrated with 1.00 M KOH. The acid solution had a volume of 100.0 mL and a molarity of 0.100 M. Find the pH at Vb = 0 mL, Vb = 10.1 mL and Vb = 12.0 mL
a 25 ml of sample of HNO3 is neutralized by 32.1 ml of 0.150 M KOH(aq). What is the molarity of HNO3?
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Urea { (NH2)CO } is used for fertilizer supplyingnitrogen to the soil. Calculate the number of N atoms foundin 1.68 * 10^4g of urea.
As per to Trouton's rule the entropy of vaporization of a liquid at its boiling point is 88 J/K mol. Explain what is the change in boiling point expected for a liquid with a boiling point of (a) 100 degrees C (b) 200 degrees C at 101,325 Pa in goi..
calculate the minimum number of grams of propane that must be combusted to provide the energy necessary to convert 5.35 of ice at -21.5 to liquid water at 76.0.
What is molecular weight of a gas that effuses 1/4 as rapidly as CH4? I need to know how to SOLVE the problem. The answer should be 256.
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