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A Dewar flask filled with 1.00 L of liquid nitrogen is allowed to completely evaporate and warm up to room temperature (23 oC at 1 atm pressure). What change in volume does the nitrogen undergo and how much work is done by the process? (assume ideal gas behavior, and assume that the initial liquid volume is negligible)
If the E(cell) measured of Cu vs. Zn is .652 and the E(cell) meausered of Zn vs. Sn is .302. what is the E(cell) of Cu vs. Zn
how could you convert butanenitrile into the following compounds? write each step showing the reagents needed. b
the decomposition of aqueous hydrogen peroxide to gaseous o2 and water is the first order reaction. if it takes 8.0 h
The elements in Group 6A(16) are sometimes called the chalcogens. The symbol and atomic number of the only metallic chalcogen are (a) and (b)
Why is molality used in the equations describing freezing-point depression and boiling-point elevation? Explain in detail and explain the reason why molarity is nto used.
Calculate the % atom economy for the following two methods for converting benzene, C6H6, to aniline, C6H5NH2.
a student makes 215 ml of a 3.15m solution of na2so4. he then forgets to seal it and some water evaporates overnight.
the decomposition of n2o5 in solution in carbon tetrachloride proceeds via the reactionnbsp2 n2o5 soln rarr 4 no2 soln
chemiluminescence reaction will actually occur very slowly in air. What component of air will bring about this reaction and what is its approximate concentration in air?
The energy required to break a single carbon-carbon bond is 348 kJ/mol. Calculate the minimum wavelength of light needed to break the C-C bond. Could UV lamps be used to break the C-C bond?
Octane has a density of .692 g/ml at 20 degrees Celsius. how many grams of O2 are required to burn 1.00 gal of C8H18.
a 0.4 kg aluminum part increases its temperature by 25 degrees celsius. how much thermal energy is transfered to the part by heat?
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