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Depict the Lewis structure of ozone (SO4-2) illustrating all possible resonance structures if there are any. Find out the formal charge of each atom.
The solubility of N2 in blood can be a serious problem (the "bends") for divers breathing compressed air (78% N2 by volume) at depths greater than 50 ft. Find the volume (in mL) of N2, measured at 25degrees celsius and 1.00 atm, released per liter..
5.0ml of 12 M NH3 is added to 500ml of 0.050 M AgNO3. What concentration of silver ion will exist after equilibrium is established. {Kf for Ag(NH3)2 is 1.5 x 10^7
the vapor above a mixture of pentane and hexane at room temperature contains 35.5 pentane by mass. what is the mass
you burn 1 gallon of gasoline assume it is pure octane in air assume initially 25 oxygen 75 nitrogen at initially
1. Which kinds of alcohols produce aldehydes when oxidized 2. Which kinds of alcohols produce ketones when oxidized
a 330 ml container holds 0.146 g of ne and an unknown amount of ar at 35degc and a total pressure of 626 mmhg.
magnesium sulphate MgSO4 has an observed osmotic pressure =7.6 atm at the temperature of twenty five degree celsius. Determine the observed van't Hoff factor?
a three carbon species that has a carbon level of zero at each carbon atom. b) two compounds that contain three carbon atoms and have a carbon atom with a carbon level of 1.
The first ionization energy of germanium is 762 kj/mol. Upon irradiation with electromagnetic radiation of a particular wavelength, the outermost electron of Ge is ejected with a velocity measured at 2.5 x 10^6 m/s. What is the wavelength of radia..
The standard enthalpy change for the reaction of 1.85 moles of CO(g) at this temperature would be -524 kJ. Ho = -506.5 + 344 * -173.1 divide it all by 1000= -566.0kj i dont understand how they got -566.0kj, when i put it in my calculator
Use the ? - l?+ convention and the crossed arrow to show the direction of the expected polarity of the indicated bonds in the following compounds.
Presume that when determining the volume of a pycnometer a student didn't notice there were air bubbles inside the pycnometer when it was filled with water. Explain what effect would this have on the determination of the pycnometer's volume
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