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How many moles of oxygen can be obtained by the decomposition of 10.0 mol of reactant in the reaction 2KClO3 --> 2KCl + 3O2
If all of these tires were burned with complete efficiency, by how much (in tonnes) would Earth's current atmospheric load of C02 increase
An unknown amount of water is mixed with 300 mL of a 6 M solution of NaOH solution. A 75 mL sample of the resulting solution is titrated to neutrality with 51.7 mL of 6 M HCl. Calculate the concentration of the diluted NaOH solution. Answer in uni..
A compound is 40.0% C, 6.70% H, and 53.3% O by mass. Assume that we have a 100 g sample of this compound. The empirical formula of this compound is CH2O.
A beta -emitting radiation source gives 250 units of radiation at a distance of 5.0m.At what distance does the radiation drop to one-tenth its original value
the element oxygen was prepared by joseph priestley in 1774 by heating mercuryii oxide.hgos hgl frac12o2g ho 90.84
what is the pH of a Tris buffer (pka 8.1) prepared by adding 20 mL of 1M HCl to 100mL of a solution of 0.3M Tris
What is the molar solubility of silver bromide in a solution that also contains 0.050M Ag+ ions at 25 °C? The Ksp of AgBr is 5.4 × 10-13.
Which reaction mechanism, SN1 or SN2, is favored when NaI in acetone is used as the reagent for substitution reactions. Explain in some detail-consider solvent, nucleophile, and substrate structure.
What is the pH of the solution during the titration when the following volumes of the NaOH have been added to 34.5-mL of the acid.
Arrange the following elements from greatest to least tendency to accept an electron. Rank from greatest to least tendency to accept an electron.
You have a sample that consists of 8.2 (+ or -)o.1mL of aqueous 239Pu solution. You measure two 10mL aliquots by liquid scintillation counting and get 3211.4 cpm and 3315.2 cpm, respectively.
For the following reactions, write the balanced formula equation, complete ionic equation, and net ionic equation. (Use the lowest possible coefficients.
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