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Los Angeles has set an air quality standard of 110 ppb for ozone, but frequently the ozone levels actually measured are much higher. The concentrations of ozone in Los Angeles has been measured at 441 ppb. Los Angeles sits at an altitude of 7400 ft where the atmospheric pressure is only 0.67 atm. Calculate the partial pressure (in atm) of ozone at 441 ppb if the atmospheric pressure is 0.67 atm.
Make sure that the final answer is expressed in the correct number of significant figures.
undergo an isothermal compression until the pressure of the system is four times the original pressure. The process may occur in two ways:
Calculate the uncertainty in position. The function Ax(1-(x/a)) is an acceptable wave function for the particle in the one dimensional
Which one of the following salts, when dissolved in water, produces the solution with the lowest pH
Compare and contrast continuous spectrum and line spectrum as they relate to the elements. Describe how spectral lines can be used to identify elements.
A solution contains 25 mmol of H3PO4 and 10. mmol of NaH2PO4. What volume of 2.0 M NaOH must be added to reach the second equivalence point of the titration of the H3PO4 with NaOH?
The Fischer esterification mechanism is examined in the following two questions in the assignment
Imagine that a chemist has cyclohexanone, triphenylphosphine, butyllithium, and 2-bromobutane.
If 5.08 x 10^ 3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?2 NH3(g) 3 O2(g) 2 CH4(g) → 2 HCN(g) 6 H2O(g)
Estimate the mass of KHP that will require 25 mL of 0.10 M NaOH to reach the equivalence point in a titration.
Chromium metal can be plated from an acidic solution of CrO3. CrO3(aq) + 6H+(aq) + 6e- -> Cr(s) + 3H2O How many grams of chromium will be plated by the passage of 19,300 C (coulombs)?
Which of the following will not have ionic bonds?
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