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Determining the Lewis structures of small compounds is the first step towards determining the molecular shapes of larger and larger molecules. Determining the shapes of amino acids, proteins (enzymes), etc. have tremendous benefits. Explain what are the benefits of knowing their shapes? Define what is the lock-and-key model or the induced-fit model for enzymes? Define why is it important in drug design?
How many grams of thallium may be formed by the passage of 57.5 amps for 1.34 hours through an electrolytic cell that contains a molten
Cocaine overdose and addiction are major public health problems. One novel treatment involves the administration of high activity mutants of human butyrylcholinesterase (BChE) (i.e. this would be a protein-based ‘drug') that would hydrolyze and d..
consider the equation aaq 2baq 3caq 2daq. in one experiment 45.0 ml of 0.050 m a is mixed with 25.0 ml 0.100 m b. at
At a birthday pool party, the temperature is 29.50 C and the atmospheric pressure is 765.4 mmHg. One of the decoration helium balloons has a volume of 6.25 L.
what is reduced and what is oxidized in this chemical equation: Zn+2HCl yields ZnCl2+H2
Calculate the pH of a buffer solution prepared by dissolving 4.3 g of NaHCO3 and 5.5 g of Na2CO3 in 0.20 L of water.
Carbon disulfide can be made from reacting sulfur dioxide with carbon. The reaction is: 5C + 2SO2 = CS2 + 4CO How many grams of carbon disulfide can be produced from 450 grams of sulfur dioxide if excess carbon is added
A peanut is burned in a calorimeter made from an aluminum can. The peanut weighed 0.780 g before combustin and .054 g after combustion. The temperature change of aluminum can filled with 200 ml of water was 15.3. (Density of water = 1.00g/C)
Calculate the mole fraction of the salt in the solution.
Match the following properties of liquids to what they indicate about the relative strength of the intermolecular forces in that liquid. Strong intermolecular forces: Weak intermolecular forces
Acetic acid is a weak monoprotic acid. it is the active ingredient in vinegar. if the initial concentration of acetic acid is .200 M and the equilibrium concentration of h3o+ is .0019 M, calculate Ka for acetic acid.
Which byproduct would be obtained in high yield if the diazotization of p-toluidine were carried out at 30 oC instead of 0-5 oC
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