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Draw the structure of the amino acid phenylalanine maintained in 1.0MHCl. Draw the molecule on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars, including charges where needed. The single bond is active by default. Include all hydrogen atoms.
Describe the processes of fatty acid oxidation and synthesis in animal tissues, pointing out their similarities and differences
Mercury poisoning is a debilitating disease that is often fatal. In the human body, mercury reacts u'ith essential enzymes-leading to irreversible inactivity of these enzymes.
137Cs decays by beta minus emission to an isomeric state in 137Ba which then decays by the emission of a gamma-ray. If we start with a 4 mCi of pure 137Cs, define what will be the activity of 137mBa after five minutes. The half-lives of 137Cs as well..
The physical and chemical properties of potassium chloride are similar to those of sodium chloride, and the properties of magnesium carbonate are similar to those of calcium carbonate
calculate the gasphase proton affinity of NH3. The lattice energy of NH4Cl may be estimated from Kapustinskii's formula using rN-Cl = 3.50 Å.
The boyle temperature is the temperature at which the coefficient b is zero. Therefore, a real gas behaves like an ideal gas at this temperature. (a) Give a physical interpretation of this behavior.
Problem- Suppose that the atomic mass unit (amu) had been defined as one-tenth of the average mass of an atom of sodium instead of one-twelfth of the mass of an atom of carbon-12.
If more than one precipitate is expected, list the numbers in increasing order and separate them with commas. For example, 3,4,5 is ok but 5,4,3 is not. pH = 7.00: pH = 9.00: What is the pH to the nearest 0.1 pH unit at which Cd(OH)2 begins to pre..
On a TLC plate if two compounds have Rf values of .50 and .61, how far will they be separated from each other on a plate
In an ion, the sum of the oxidation states is equal to the overall ionic charge. Note that the sign of the oxidation states and the number of atoms associated with each oxidation state must be considered.
A quantity of 200.0 mL of 0.862 M HCl is mixed with 200.0 mL of 0.431 M Ba(OH)2 in a coffee-cup calorimeter (Hint: write and balance the chemical equation for this neutralization process). The initial temperature of HCl and Ba(OH)2 is the same at ..
The vapor pressure of pure propyl chloride is 347 torr at 25°C and that of pure propyl bromide is 133 torr at 25°C. Assume that the solution is an ideal solution.
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