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What bond angles do you expect for each of the following, and what kind of hybridization do you expect for the central at atom in each?
Glycine (an amino acid)PyridineLactic Acid (in sour milk)
Calculate the pH of 0.500L of a buffer solution composed of 0.20 M butyric acid (CH3(CH2)2)2COOH, Ka = 0.000015) and 0.10 M sodium butyrate, (NaCH3(CH2)2COO).
The stretched-out conformation is 2.4 kJ/mol higher in energy than the random-coil conformation. What percentage of molecules are in the stretched-out conformation at 20 degrees Celsius?
The mass percent of sulfur in the product is Blank 1 % (2 dec places). The mass percent of oxygen in the product is Blank 2 % (2 dec places).
A sample of gas is cooled from 440 K to 330 K, if the initial volume was 1.6 L, what was the final volume?
Calculate [H+] and the pH of the following solutions.
A solution contains some or all of the ions Cu^{2+}, Al^{3+}, K^+, Ca^{2+}, Ba^{2+}, Pb^{2+}, and {NH_4}^+. The following tests were performed, in order, on the solution
Using different methods, like equations of state SRK and PR what would be the nessceary steps to be able to determine a value from a given Pressure and Temperature using with:
Instead of 6 M NaOH being added to the test solution, 6 M HCl is added. How will this affect the test for the presence of ammonium ion in the solution? Explain.
A Newman projection is given for six conformations about the C2-C3 bond of isopentane. On the curve of potential energy versus angle of internal rotation for isopentane, label each energy maximum
Calculate E when 900.0 g of CH3OH(g) completely reacts at a constant temperature of 300 K and constant pressure of 0.95 atm. R = 8.314 J/mol*K and R = 0.08206 atm*L/mol*K
What is the freezing point of a solution made by dissolving 352g of ethylene glycol C2H6O2 on 648 g of water the freezing point of pure water is 0.0C and kf of pure water is -1.86Cm?
A 0.0100 molal aqueous solution of a weak acid freezes at -0.0219 oC. Calculate the percent ionization of the weak acid, HA.
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