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Chymotrypsin is initially synthesized as an inactive precursor, chymotrypsinogen. How is it activated and what are the advantages and disadvantages of this type of activation?
Nitroglycerine decomposes violently according to the unbalanced chemical equation below. How many total moles of gases are produced from the decomposition of 1.00 mol C3H5(NO3)3?
1. Assume that, for a laboratory assignment, you need 15 mL of 2.5M potassium hydroxide (KOH). All you can find, however, is a bottle of concentrated potassium hydroxide with a strength of 16M. Clearly explain, using calculations as necessar..
calculate the molarity of acid (or base) remaining in solution when 20mL of 0.400M HNO3 is added to 16.3mL of 0.258M NaOH?
a physiological saline solution contains 169meql each of na and cl-. determine how many moles of each na and cl- are in
In an experiment, 1.26 grams of iron combines with oxygen to give a compound that has a mass of 1.80 grams. What is the empirical formula of the compound?
For the following elements show the allocation of electrons to their orbitals on the basis of the Pauli exclusion principle, Hund's rule, and the Aufbau principle.
Calculate the concentrations of acetic acid and sodium acetate necessary to produce a pH 5.5 solution that is 0.5 M in total acetate concentration.
A 25.0mL sample of HCl solution is titrated with a 0.139 M NaOH solution. The equivalence point is reached with 30.2 mL of base
a 0.100l sample of a solution containing an unknown concentration of sodium hydroxide requires 22.7 ml of 1.00 m
assume that rubbing alcohol of 1.02 grams evaporates from a 70.0 nbspgrams of aluminum block. aluminum block is at 25
Predict the major and minor products of the following reaction.
Calculate the equilibrium constant at 25 degrees celsius for the reaction 4Fe+(aq) + O2(g) + 4H+ ----> Fe3+(aq) + 2H2O(l).
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