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A sample of oxygen gas occupies a volume of 2.00 L at 27 oC and 2.00 atm pressure. What volume, in L, will this sample of oxygen gas occupy at the same temperature but at 453 mm Hg?
A sample of nitrogen dioxide gas has a volume of 1.50 L at 23 oC. What volume, in L, will this gas occupy at 123 oC, if the pressure is held constant?
the national institute for occupational safety and health (NIOSH) sets standered for ccl4 in air at 12.6 mg/m^3 of air
What is the Cl ? concentration just as Ag2CrO4 begins to precipitate when 2.0 M AgNO3 is slowly added to a solution containing 0.048 M Cl ? and 0.048 M CrO42-
where a is constant and -infinity
Choose the answer in which the two atoms are listed in order of increasing ionization energy
calculate the concentration of an naoh solution if 25.0ml of the solution is needed to neutralize 17.5ml of a 0.419m
what is the easiest way to identify the structure of a molecule from a H-NMR spectra?
What causes the colors of fireworks. Where do the colors come from? How do we get so many different colors. Give at least onr example of a compound responsible for such characteristic color.
When working NMR questions, solutions maunuals say that the peaks are 1.0 spaces long or 5.5 spaces long.
Titanium(6.94x10^-19 J and silicon (7.77x10-^19 J) surfaces are irradiated with UV radiation with a wavelength of 245 nm. what is the wavelength of the electrons emitted by the titanium surface
a 2.00 kg sample of pure water at 20.0 degree celsius absorbs 3.53 kJ of heat. What is the final temperature of the water?
vitamin tablet contains 125 mg of vitamin C (C6H8O6). How many vitamin C molecules are contained in the tablet?
what is the minimum number of moles of sodium hydroxide required of this hydrolysis reaction to go to completion and what is the limiting reagent in this experiment?
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