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The pKa of epinephrine is 8.55. In a solution of what ph will epinephrine have a charge and what will the charge be?
Use the Born-Haber cycle outlined in Section 9.3 for LiF to calculate the lattice energy of NaCl. (The heat of sublimation of Na is 108 kJ/mol and ?Hof = -411 kJ/mol
When gasoline burns, it reacts with oxygen in the air and forms hot gases consisting of carbon dioxide and water vapor. How does the potential energy of the gasoline and oxygen compare with the potential energy of the carbon dioxide and water vapo..
what is the conclusion for determination of percent composition in hydrated compound
determine the enthalpynbsp for the given reaction as cs2 l 2 o2 g rarr co2 g 2 so2 g if given cs o2g rarr co2g
Which of the following processes are spontaneous. (You may select more than one answer.) a. melting of ice at -10°C and 1 atm pressure b. evaporation of water at 30°C when the relative humidity is less than 100 percent c. water + NaCl(s) salt solu..
the route you would use to go from starting material product to the end.
Calculate the molar solubility of Fe(OH)2 in a buffer solution where the pH has been fixed at the indicated values. Ksp = 7.9 x 10-16. (a) pH 7.2
Write a balanced chemical equation for this reaction. Express your answer as a chemical equation. Identify all of the phases in your answer.
Draw and completely label a flow chart for this system, In a process for concentrating 1000kg of freshly extracted orange juice containing 12.5 wt% solids, the juice is strained, yielding 800kg of strained juice and 200kg of pulpy juice.
The concentration of hydrogen ions in a solution of 40.0 mM butanoic acid and 0.01 M NaCl. The ionization constant of butanoic acid is Ka = 1.52 × 10-5. Take the size of C3H7COO- to be 500 pm
When acetic anhydride is dessolved in water it forms acetic acid according to the balanced chemical reaction. Calculate the theoretical yield (in grams of acetic acid, FW 60.05 g/mol) if 8.79mL of acetic anhydride
What is the dissociation constand, Kd, of a ligand with a percent occupancy
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