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Dry air near sea level has the subsequent composition by volume N2, 78.08 percent O2, 20.94 percent Ar, 0.93 percent CO2, 0.05 percent. The atmospheric pressure is 1.00 atm. Ever since volume is proportional to the number of moles present mole fractions of gases can be expressed as ratios of volumes at the same temperature and pressure.Compute the concentration of each gas in moles per liter at 0°C.
calculate deltag for this reaction under the following conditions assume an uncertainty of 1 in all quantities
NaOH to achieve a phenolphthalein end point. Express the acidity of the wine in terms of grams of tartaric acid (H2C4H4O6, fw 150.09) per 100 mL of wine.
The mass spectrum of an organic compound shows the relative abundances of M to be 36.44% and M 1 to be 8.277%. Assuming the peaks are caused by 12C and 13C isotopes
Distinguish between which are aromatic compound given multiple structures, How can you tell the difference between which set of given compound structures would have highest resonance energy
Separate the following four compounds using extraction and isolate them in their neutral (as shown) form. Follow the flow chart in Padias (but draw the compounds instead of using the generic "HA," "B," or "N" notation).
The temperature after the reaction is 25.23 C. If the density of final solution is 1.02 g/mL, calculate q, if the specific heat of the solution can be assumed to be equivalent to that of water.
Identify and discuss three key features associated with the combustion of polymeric materials or compounds that are relevant to the safety
Calculate the initial rate of a first-order reaction if the concentration of reactant is 0.63 M and the half-life is 6.9 s
Determine the value for delta H solution at infinite dilution calculated from the following delta standard H of formation
The second virial coefficient B and the third virial coefficient C for A are -0.021 L/mol and 0.0012 L^2/mol^2 at 273 K respectively. By what percentage does the compressibility change
what is the maximum number of grams you could obtain if you recrystallize 28 g of cholesterol from 100 mL of methanol
He begins to characterize this potentially novel molecule by dissolving 9.9 mg of it in 855 mg of cyclohexane and finds the melting point of the resulting solution is 6.30C.
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