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If 5.00 of the unknown compound contained 0.167 of and 0.333 of , how many moles of oxygen, , were in the sample?
Why is a mixture of alcohol and water used, rather than simply water itself, to saponify the fat or oil
An electron in an excited state of a hydrogen atom emits two photons in succession, the first at 1817 nm and the second at 97.20 nm, to return to the ground state (n=1).
a 0.12m solution of a weak acid ha has ph 2.49. what is the ka of this
calculate the theoretical moles of NaOH that should be necessary to reach the equivalence point
use the appropriate relationships from the chapter of electrons in Atoms to determine the wavelength of the line in the emission spectrum of He+ produced by an electron transition from n=5 to n=2
NaOH solution to raise the PH of the waste stream to PH 10, determine the flow rate of NaOH solution in (Gal/min). Assume ideal solution conditions
Titration curve. Consider the titration curve of 10 mL of 0.1 M HA, Ka=1.0x 10^-4 with 0.1 M NaOH. Calculate the pH after 5, 10, and 15 mL of NaOH are added
What force keeps the gases of the earth's atmosphere from diffusing into interplanetary space, where the pressure is essentially zero?
Friedel-Crafts alkylation and acylation reactions won't work because of the deactivating nitro group present on the benzene ring. Propose an alternate pathway to the ketone product desired
Calculate how much you would obtain wiht 1 x 0.6 mL extraction. 3. Which method is more efficient.
Mercaptoacetic acid and NH3 were introduced, production of the complex with the former resulted in the release of an equivalent amount of EDTA, which required a 22.85-mL titration with 0.07238 M Mg2+. Calculate the percent Cu and Ni in the alloy.
Gibbs free energy differences between axial-substituted and equatorial-substituted chair conformations of cyclohexane were given in table 2.4. Calculate the ratio of equatorial to axial tert-butylcyclohexane at 25 degrees C
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