Determining the ph of a solution
Question: What is the pH of a solution containing 0.010 HCl plus 0.040 KClO4 with an activity coefficient of [H+] = 0.86?
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A previously evacuated tank with a capacity of .1m^3 is pressurized with 1kg each of helium(molar mass 4.0) and nitrogen(molar mass 28.0) what is the final pressure of the mixture?
Ammonia (NH3) decomposes to hydrogen and nitrogen and 22.0 Kcal/ mol of energy absorbed. How much energy is absorbed when 7.69 mol of N2 is formed?
Distillation is frequently used to isolate the nonvolatile organic solute from a solution containing an organic solvent. Explain how this would be accomplished using a simple distillation.
Homologous recombination is initiated
Calculate the number of grams of sucrose (C12H22O11) needed to prepare 0.500 L of a 1.00 M sucrose solution. 1. 85.5 g 2. 171 g 3. 342 g 4. 684 g
Calculate the values of k and kc for the reaction 3N2(g)+H2(g)<----->2NH3(g) at 25 c and 100c.
Write the molecular formula of glycine, an amino acid present in proteins.
Oxygen is more electronegative than nitrogen; fluorine is more electronegative than the other halogens. Fluoride is a stronger field ligand than the other halogens, but ammonia is a stronger field ligand than water. Why
Normally supplied in metal containers under pressure, the fuel exists as a mixture of liquid and gas, so high temperatures may cause the container to explode. At 25.0°C, the vapor pressure of butane is 2.30 atm. What is the pressure in the con
Which of the following rtansitions in a hydrogen atom would emit radiation having the highest energy. A) n=1 to n=2 B) n=2 to n=6 C) n=6 to n=4 D) n=4 to n=1 E) n=3 to n=2 Please explain the answer to me as well.
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