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Reffering to the structure of estrone, a female sex hormone. What is the number of carbon atoms in estrone that are sp2 hybridized?
The atomic mass of Potassium 39 is 38.96371 AMU. Calculate the binding energy for a mass of this nuclide using 1.008665 AMU for the mass of the neutron, 1.007276 AMU for the mass of the proton, 0.00054858 AMU for the mass of the electron
Calculate the change in molar Gibbs energy of tristearin when a deap-sea creature is brought to the surface ( p=1atm) from a depth of 2km. To calculate the hydrostatic pressure, take the mean density of water to be 1.03g/cm
3-ethylbenzoic acid Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all hydrogen atoms. Draw a benzene ring with alternating single and double bonds between the carbon atoms
what is the minimum distribution coefficient that permits the removal of 99% of a solute from 50 mL of water with a. two 25mL extrations with toluluene
what does find the saturation have to do with consitutuional,stereoisomers, and conformational isomers?
If a propanoic acid/propanoate buffer is .020M in propanoic acid and has a pH of 4.63, what is the molar concentration of the propanoate ion. The pKa of propanoic acid is 4.89.
What volume of 3.00 M NaOH must you add to the acetic acid to achieve a buffer with a pH of 5.00 at a final volume of 500 mL? (Ignore activity coefficients.)
We would like to make a buffer solution with a target pH of 8.44 (ignore activity). Suggest 3 conjugate acid/base pairs that could be used to make such a buffer.
The density of concentrated hydrochloric acid is 1.19 g/mL and 37.5% HCl by weight. Describe how you would prepare 500mL of a 0.25M solution of HCl.
Identify the oxidizing agent and reducing agent in the reaction. give breif rational for how this answer is arrived
The Ksp of zinc oxalate (ZnC2O4) at a given temperature is 7.87 x 10-9. Calculate the molar solubility at this temperature. Use E notation
When 2-methylpropene is treated with sulfuric acid the resulting mixture can be used to convert benzene to tert-butylbenzene
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