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Define what values of J may occur in the terms (a) 1S, (b) 2P, and (c) 3P? Explain how many states distinguished by the quantum number Mj belong to each level?
hanol, C2H5OH, is being promoted as a clean fuel and is used as an additive in many gasoline mixtures. Calculate the ?H°rxn for the combustion of ethanol.
Suppose A 5.0mL sample of vinegar was titrated with 7.2mL of 0.55 M NaOH(aq). If the density of the vinegar solution is .00 g/mL, explain what is the mass percent of acetic acid present
The Radio signals from Zog reveal that balloonium is a monatomic gas with two positive nuclear charges. Use the data to assume the names that Earthlings give to these elements
Use the values from the table of reduction potentials on the last page to determine ?Gº and Keq for the reaction as listed below. Pb (s) + Sn2+ (aq) ? Pb2+ (aq) + Sn (s) ?Gº
Magnesium oxide (MgO) forms when the metal burns in air. (a) If 1.25 g of MgO contains 0.754 g of Mg, what is the mass ratio of magnesium to oxide
assume that due to dwindling supplies of crude oil and natural gasthe us embarks on a plan to implement the hydrogen
The osmotic pressure of 0.010M MgSO4 solution at 25 degrees C is 0.318 atm. Calculate i, the van Hoff factor for this MgSO4 solution.
the decomposition of dinitrogen pentoxide is described by the chemical equation2 n2o5g ? 4 no2g o2gif the rate of
how many metric tons of 5-s coal would be needed to yield the h2so4 required to produce a 3.0-cm rainfall of ph 2.00
A chemist has 4 moles of C2H6 to use in the study. How many moles of O2 will be needed in order to react all of the C2H6?
when gaseous hf reacts with vcl33 crystals an exchange reaction occurs forming vf3 and a second product that is a gas.
The density of benzene at 25.0 degrees C is 0.879g/cm3. What is the volume in liters of 2.5 kg benzene?
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