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Find free energy, entropy, enthalpy and volume of mixing for formation of 1.00 L of air from O2 and N2 at 298 K and 1 bar. Assume air is a mixture of oxygen (0.20) with notrogen (0.80) and that the gases behave ideally.
Determine which H atom transition (ninitial,nfinal) was responsible for the emission of a photon with a frequency of 6.91 x 1014 Hz.
Write the structures for the major monobromination products that would be formed from each of the following substrates used. Explain your predictions.
You have a volume of 100 L at a concentration of 100 PPM of benzene. If you later sampled from this known concentration at a temperature of 15° C
A trainee in a medical lab will be released to work on her own results agree with those of an experienced worker at the 95% confidence level
Calculate the osmolarity of this solution. my answer is 0.499 osm. Is that correct? 2*(.1249) + 1 (.2499)
Calculate the pH of the buffer solution that results from mixing 65.0 mL of 0.15 M HCHO2 with 40.0 mL of 0.13 M NaCHO2
The sudden opening of the epiglottis and vocal cords releases this air explosively. Just prior to this release, what is the approximate pressure of the gas inside the lungs?
Explain the fact that even though dibenzoylmethane (C6H5COCH2COC6H5) is not a methyl ketone, it gives a positive iodoform test when treated with the NaOH and I2.
The specific heat of the product is 4.06J/g deg. C and the density is 1.01g/mL. a. Calculate the heat of the reaction, q, and the enthalpy per mole.
determined the limiting reactant and the theoretical yield (in g) of nitrogen that can be formed from 24.0 g N2O4 and 23.5 g N2H4 molar masses are as follows: n2o4 92.02 n2h4 32.05
Which stage of ionization usually produces more ions and why?
In this experiment you will measure the heat of combustion (delta Hc) of naphthalene. Report the values of the following: Cv, the heat capacity of the system.
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