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Which of the following interactions can contribute to the intrinsic binding energy during enzymatic catalysis? Choose all that apply.
- hydrogen bonding
- permanent covalent bonding
- electrostatic interactions
- van der Waals interactions
- nucleophilic attack by serine
Briefly comment on whether or not this experiment shows that you can successfully model the packing of atoms in a liquid by randomly packing
The fuel used in many disposable lighters is liquid butane C4H10 How many carbon atoms
When 5.25 g of sodium oxalate is reacted with 5.25 g of calcium chloride, how many grams of sodium chloride and calcium oxalate are formed?
Calculate mass, mole fraction and avg. molecular weight of air, Calculate the constituent (a) mass, (b) mole fraction (c)average molecular weight of air at 25 degree centigrade, 1 atm, and molar density of all listed gases
A quantity of 85.0 mL of 0.900 M HCl is mixed with 85.0 mL of 0.900 M KOH in a constant-pressure calorimeter that has a heat capacity of 325 J/°C. If the initial temperature of both solutions are the same at 18.24°C
If 0.500 g of antacid was added to 50.00 mL of 0.100 M HCL and 5.65 mL of 0.100 M NaOH was required to titrate the un-neutralized HCL, calculate the actual neutralizing capacity of the antacid in mmol H+ per gram.
What fraction of the spherical atomic volume is occupied by the nucleus? What fraction of this atom's mass is contributed by its nucleus?
NaOH to achieve a phenolphthalein end point. Express the acidity of the wine in terms of grams of tartaric acid (H2C4H4O6, fw 150.09) per 100 mL of wine.
A student went out of the lab to talk on the phone and returned to find that their partner had neglected to monitor the ice bath used to chill their diazonium ion solution
what is the theoretical and percent yields of ethanol if 648 grams of sucrose undergoes fermentation and 349 grams of ethanol is obtained.
A 60.00 mL sample of 0.075 M benzoic acid was titrated using 0.050 M KOH. What will be the pH at the equivalence point in the titration.
A typical deposit of cholesterol, C27H46O, in an artery has a mass of 3.90 mg. How many molecules of cholesterol are present in this deposit?
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