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Determine the pH of the solution formed when 500.00 mL of 2.35 x 10-3 M tetrodotoxin is mixed with 500.00 mL of 2.00 x 10-6 M HCl. Tetrodotoxin (HC11H16N3O8) is a weak monoprotic having a Ka = 1.7*10-9 M.
A 100. mL sample of 0.10 M HCl is mixed with 50. mL of 0.15 M NH3. What is the resulting pH
a robust first grader goes for swimming lessons three times a week and he enjoys it thoroughly. during the first week
What is the hardness of this mineral? What is the specific gravity of this mineral? show your calculations. Using all these properties, identify this mineral?
How many moles of nitrogen are in an "empty" two-liter cola bottle at atmospheric pressure and room temperature (\rm 25^{\circ}C)? Assume ideal behavior.
What volume (in mL) of 0.566 M solution of potassium hydroxide can be made from 58.9 mL of a 1.87 M solution? Assume the volumes are additive.
In a particular photoelectron spectrum using 21.21 eV photons, electrons were ejected with kinetic energies of 11.01 eV, 8.23 eV, and 5.22 eV. Sketch the molecular orbital energy level diagram for the species, showing the ionization energies of th..
A home swimming pool contains 155 m3 of water. At the beginning of the swimming season, the water must be heated from 18 to 32°C. How many joules of heat energy must be supplied
Construct a titration curve of pAg vs mLs of titrant(AgNO3). titration of 25ml of 0.044M KBr with 0.05M AgNO3. calculate pAg after addition of 0.10, 0.50, 1.00, 5.00, 10.00, 15.00,20.00, 21.00, 21.50, 21.90, 21.95, 22.00, 22.05, 22.10, 22.50, 23.0..
Given the equilibrium constants below: (1/2) N2(g) + (1/2) O2(g) NO(g) Kc= 4.8*10^(-10) 2 NO2(g) 2 NO(g) + O2(g) Kc= 1.1*10^(-5) What is the equilibrium constant for: 2 NO2(g) N2(g) + 2 O2(g) Kc=?
express your answer in condensed form in order of increasing orbital energy as a string without blank space between
to determine the volume of a gas using ideal gas law.what volume will 5.6 moles of sulfur hexafluoride sf6gas occupy if
Verify the following statements (a) One part per million corresponds to one minute in two years, or a single penny in $10,000.
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