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a. Draw the structure of the amino acid phenylalanine maintained in 1.0M HCl.
b. Draw the structure of the amino acid phenylalanine maintained in 1.0M NaOH.
c. Draw the structure of the amino acid phenylalanine maintained in a buffer solution with pH = 5.7.
A complex with the composition [MA2B2]X2 is found to have no geometrical isomers. Both A and B are monodentate ligands. The structure of the complex is
2C2H6 + 7O2---> 4CO2 + 6H2O if the reaction produces 2.75 mol of H2O how many grams of CO2 are also produced?
What Celsius temperature, T2, is required to change the volume of the gas sample in Part A (T1 = 41celsius, V1= 1770 L) to a volume of 3540 L ? Assume no change in pressure or the amount of gas in the balloon.
water to form dissolved boric acid, H3BO3, and hydrogen sulfide gas. What is the balanced Equation?
What pressure is needed to confine an ideal gas to 193.0 L after it has expanded from 11.0 L and 0.9 atm at constant temperature
Give the expected CNMR values of each carbon in the molecule n-(3-biphenylyl)acetamide. Show which value corresponds with each carbon.
A heat lamp produces 20.0 watts of power at a wavelength of 5.7?m .How many photons are emitted per second?
Compound A is C4H9Cl and shows two 13C NMR resonances. Compound B is an isomer of compound A; it shows four 13C NMR resonances, and in the spin-coupled mode the resonance farthest downfield is a doublet. Identify compound A
What is the pH and the [OH-] of the solutions with the following [H3O+]? a) 2.3 x10-4 , b) 4.8 x10-8, c) 6.3 x10-2
draw and label structures cis and trans isomers of 3,4 -dibromo-3-hexene, 3) structure of terpin hydrate. Is it more water soluable or less than the starting material?
This molecule is an implement in alkene chemistry that I made up. Devise a synthesis as of any compound containing 4 carbons or less.
The empirical formula for the hydride of sulfur is H2S, and its central atom is sulfur. Based on this information, you would expect the empirical formula for the hydride of selenium
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