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Draw thw active site of an enzyme that contains a macrocycle coordinated to a transition metal. Explain the function of the enzyme and the mechanism of the reaction
Classify the following salt solution as neutral acidic or basic. Explain and use quilibrium value constants
Draw the structures of salicylic acid and aspirin. Circle and identify the functional groups present in each compound and sulfuric acid is a catalyst. What does that mean?
A graduated cylinder contains 25.0 of water. What is the new water level after 34.2 of silver metal with a density of 10.5 is submerged in the water.
Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH, and the concentrations of all species in a 0.500 M phosphoric acid solution.
Human and chameleon insulins have the same amino acid sequence, with the exception of six amino acids, as shown below. Is the pI of human insulin lower, higher, or the same as that of chameleon insulin?
Calculate the energy emitted by an electron when it drops from energy level 4 down
Four liters of water are equilibrated with a gas mixture containing carbon dioxide at a partial pressure of .3 atm. Henry's law constant for H2CO3* solubility is 2.0 g/L-atm.
Molten AlCl3 is electrolyzed for 5 hours with a current of 0.40 ampere. Metallic aluminum is produced at one electrode and chlorine gas, Cl2, is produced at the other.
A laser pulse with wavelength 555nm contains 4.40mJ of energy. How many photons are in the laser pulse.
The bromocresolgreen end point of the titration was reached after the addition of 30.00 mL of hydrochloric acid solution. Calculate the concentration of the acid solution.
How many liters of hydrogen gas are collected over water at 18 degrees Celsius and 725 mmHg when 0.84 g of lithium reacts with water?
Calculate the concentration of argon in lake water at 20C. if the partial pressure of argon is 0.0090 atm and Henry's constant is 0.0015
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