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A point charge of +2.2 micro-coulombs is placed at x = +7.9 cm, y = +14.6 cm and another charge of +8.3 micro-coulombs is placed at the origin. What is the magnitude of the electric force on the origin in Newtons?
Fe^3+ is reduced to Fe^2+ by S^2-, which is oxidized to elemental S. Write the net ionic balanced equation for this redox reaction in basic solution.
The osmotic pressure of blood at 27 degrees Celcius is 7.7 atm. A solution that is given intravenously must have the same osmotic pressure as the blood.
Problem- You are using the following procedure from your lab instructions to determine the copper content of a brass sample: "Approximately 35 mg of a dried brass sample (accurately measured) is put into a 250-mL Erlenmeyer flask.
Write the reaction of butanoic acid with propanethiol.
List factors that influence the size of ice crystals and corresponding methods to control the crystal size
Question- Calculate E cell at 25 degrees C when (Cr2O7^2-) = 2.5*10^-4, H+ = 1.2 M, Cr3+ = 5.2*10^-4 M and I- = 1.0 M
Question- Calculate the pH and the pOH of an aqueous solution that is 0.030 M in HCl(aq) and 0.080 M in HBr(aq) at 25°C. Provide complete computation
What is the relationship of the successive equivaleance point volumes in the titration of a polyprotic acid
If Titration of 30 mL sample of acetic acid is performed by dropwise addition of 0.68 M NaOH. A total of 8.79 mL of the base is necessary to reach the equivalence point. Explain what was the original concentration of acetic acid before the titrati..
What volume of O2 at 798 mm Hg and 39 degrees celsius is required to synthesize 19.0 mol of NO
The density of water is 1.00 g/ml and the density of propanol C3H8O is 0.866 g/ml. What volume of propanol contains the same number of molecules are present in 127.1ml of water
the vapor pressure of water is 17.5 mmHg at 20 degrees Celcius, and 355.1 mmHg at 80 Celcius. Calculate the boiling point of water at 760 mm Hg.
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