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There are twelve possible constitutional isomers of the alkane c6h12. Depict skeletal structures of all of them.
Understand how the ability to form hydrogen bonds gives water cohesiveness and how this property is exploited by living things.
Suppose 41.19 g of sulfuric acid is mixed with 10.75 g of sodium hydroxide. Calculate the maximum mass of water that could be produced by the chemical reaction.
An organic compound was prepared and purified by chromatography. A conductivity measurement showed the compound to be a nonelectrolyte. Elemental analysis gave an empirical formula of CH3O.
An 18-karat gold necklace is 75% gold by mass, 16% silver, and 9.0% copper. How many grams of copper are in the necklace? If 18-karat gold has a density of 15.5
Which of the following statements regarding the Bohr model of the hydrogen atom is incorrect. A. Bohr's model shows the electron circling the nucleus in fixed orbits. B. In Bohr's model, electrons could exist between orbits.
Determine what is the longest possible wavelength of light that could ionize an atom of bismuth if the first ionization energy of bismuth is Ei1 = +70 kJ/mol.?
Which of the following pairs of molecules is listed in order of decreasing net dipole moment (from more polar molecule to less polar molecule) A. SF4 > CF4 B. CO2 > SO2 C. CCl2F2 > CH2F2 D. XeF4 > SeF4
Which of the following statements relative to IUPAC nomenclature for alkens and cycloalkenes is incorrect? A. The position of a double bond in a parent chain is given by a single number B
Draw the structure(s) of all of the alkene isomers, C5H10, that contain a branched chain. Specify E/Z isomerism in your drawings when appropriate.
what is the value of the ionization constant of the weak acid HX at 298 K? You may ignore the contribution of the self-ionization of water.
what is the volume of 1 mole of Helium gas when the pressure is 1.47 atm and the temperature is 287 K.
what is the minimum rate that fresh air has to be supplied to the room so that the concentration of CO2 in the room doesn't exceed 0.500% by mole? Assume the room is well mixed, and the volume of the solid dry ice does not change. mol air/min
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