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Calculate the concentration of H+ in a solution that is 0.14 M in NaF and 0.27 M in HF. ( Ka = 7.2×10-4)
A mitochondrion is producing ATP at a constant rate and, then, a chemical uncoupler is added. Compared to before the uncoupler was added
If the concentration of X is increased to 2.0 M and the concentration of Z to 3.0 M, how long should this reaction take?
At 25 degrees celsius at 0.50 g sample of polyisobutylene (a polymer used in synthetic rubber) in 100.0 ml of benzene solution has an osmotic pressure that supports a 5.1mm column of solution (d = 0.88 g/mL). What is the molar mass of the polyisob..
The metal rhodium has an FCC crystal structure. If the angle of diffraction for the (311) set of planes occurs at 36.12° (first-order reflection) when monochromatic x-radiation having a wavelength of 0.0711 nm is used
Explain solution of an unknown acid HX, determine that the pH of the solution is 4.00. What is the [H3O+] in the solution?
A beaker contains 250 mL of .0150 M silver ion. To this beaker is added 250 mL of .300 M bromide ion. What is the concentration of Ag+ in the final solution. Ksp for AgBr = 5.0 x 10^-13
calculate the density of hydrogen bromide gas in grams per liter at 733 mmhg and 46 degress celsius.
Which is predicted to be the most ionic substance? a) NiS b) CuI c) CoO d) NaBr
What is the pH when 100 mL of 0.1 M HCl is titrated with 50 mL of 0.2 M NaOH?
If the total number of electrons in a homonuclear diatomic molecule is 16, what is the overall bond order of the molecule
The radioisotope iodine-131, used to image the thyroid, has a half-life of 8.0 days What fraction of iodine-131 remains in the body after 3.0 days?
two vessels are labeled a and b. vessel a contains nh3 gas at 75 degrees celsius and vessel b contains neon gas at the
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