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Problem- Part- A) What is the ratio of conjugate base to conjugate acid at pH values 1, 2, and 3 pH units above and below a pKa value? For one of these ratios, show how you obtained your answer using the Henderson-Hasselbach equation.
Part- B) Why do the R side groups of amino acids occur in the trans position?
Rewrite your answer from the stating and prove each step carefully.
What is the basic structure of phosphatidyl cholines, and how do they work as emulsifiers? Why is there so much research interest in phosphatidyl cholines
What are the possible values of the angular momentum quantum number l A.)represented by the formula: l = 2k + 1, where k is a positive integer B
This calibration was carried out in a 1.00 cm cell, and yielded an absorbance of 0.2850 AU. An unknown was then analyzed in this same spectrophotometer, but using a 2.50 cm cell. If the absorbance of the unknown was 0.2270 AU, what is the Cu conce..
Which of the following is true of the individual resonance structures which contribute to a resonance hybrid. a) each resonance structure actually exists
Draw the structure of the dimer. Water (circled) is eliminated when the bond between the monomers forms. Circle the atoms of the ester functional group.
If the heat capacity of the calorimeter is 85 JK , and the density of the liquid -1 is 2.34 gmL , what is the specific heat capacity of the unknown liquid?
A particular voltaic cell operates on the reaction below, giving an emf of 0.865 V. Calculate the maximum electrical work generated when 20.0 g of zinc metal is consumed. Zn(s) + CI2(g) ? Zn2+(aq) + 2 Cl ?(aq)
Question- CaO can be used as a drying agent. One such application occurs when water is added to dry concrete or cement. The reaction that occurs is
What is the effect of adding base to an aqueous solution of ammonia. 1-PH of the solution will increase 2-the conc. of NH4 will decrease 3-the conc. of NH3 will increase
Question- Which of the following is consistent with an exothermic reaction that is nonspontaneous at high temperatures?
What is the importance of chemistry to agriculture, Write summary of total one page and include references as well.
An ideal gas has a pressure of 4.19 atm, a temperature of 97.83 °C, and has a volumetric flow rate of 72.73 L/min, what is the molar flow rate of the gas
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