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190 mL of an HCl solution with pH of 2.60 is added to 200 mL of an HNO3 solution. The resulting pH is 1.40. What was the pH of the original HNO3 solution?
A sealed container holds 1.00 mole of helium and 2.00 moles of nitrogen at 30.0°C. When the total pressure of the mixture is 666 mm Hg, what is the partial pressure of the nitrogen? Provide an answer correct to 2 significant figures in mmHg.
Based on the structure and boiling point(176-177C) of Eucalytol. what aspects of this molecule allow it to separate from hexane? And which of the following temperature option of is best for separating eucalytus oil and why?
5 mL 1 M HCl and 10 mL .005 M iodine. If the reaction order is zero with respect to iodine, how long will it take for the iodine color to disappear?
when solid copper is added to nitric acid, copper nitrate, nitrogen dioxide, and water are produced. write the balanced chemical equation for the reaction list sis mole ratios for the reaction.
Calcium reacts with fluorine gas to produce calcium fluoride. How many moles of Ca will react with 1.0 moles of F2
calculate the energy change for the reaction given the following ionization ie energy and electron ea affinity values.
design a series of reactions to convert ethanol to 2-butanol. You can use other inorganic reagents you need, but only ethanol
Compare the energy of a photon of wavelength 3.4 um with that of wavelength 0.155 nm. answer is in E1/E2
When a solution of A is mixed with one containing B- ions, the color changes from green to red. Which species is oxidized?
The skeletal structure of one molecule is included to indicate the proper format; modify the X\'s on the given structure to create the first stereoisomer
The dehydration of trans-2-methylcyclopentanol with H2SO4 will give what major product? a) cyclopentene b) 1-methylcyclopentene c) 2-methylcyclopentene d) 3-methylcyclopentene
How many milliliters of a 120 mL solution of 1.51 M BaCl2 must be used to make 16 mL of a solution that has a concentration of 0.3 M Cl-?
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