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a. Give the titration curve for the reaction of C5H5N with HCl. The known solution is the acid, and the base is added to the acid.
b. Give the complete, ionic, and net ionic equation for the reaction.
c. If the resulting salt is 1.76 M, what is the pH of the resulting solution?
The normal boiling and freezing points of substance X are 87.3 K and 84.0 K respectively. The triple point is at 82.7 K and 0.68 atmosphere. a. Draw a phase diagram for substance X. Label the regions in which the s,l, and g phases are stable.
Consider the decomposition of calcium carbonate. Assume that ?H° = 177.8 kJ/mol and ?S° = 160.5 J/K·mol for the temperature range.
Draw the Lewis Structure for C3H6O (non-central atom type.) (There are five isomeric structures. Draw any three.)
If a container having a volume of 322mL at 25.o degrees celcius was to suddenly reduce to 75.0mL, what would be the new temp.(n,p constant)?
Calculate the ratio of dihydrogen phosphate to hydrogen phosphate in the blood at pH 7.4. The Ka = 6.3 x 10 -8 5. For a weak acid with a pKa of 6.0 calculate the ratio of conjugate base to acid at a pH of 5.0.
At 123?C, the pressure of a sample of nitrogen is 1.45 atm. What will the pressure be at 267?C, assuming constant volume?
.799 g sample of an unknown substance has dissolved in 15.6 g of benzene. The freezing point of the solution was 4.075 C. The freezing point of pure benzene is 5.455 C. For benzene, Kf= 5.065 C/m, and Kb=2.61 C/m. Assume that the solute is a nonel..
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.
What mass (in grams) of solid KCl would need to be added to 500 grams of water to make an ideal solution with a boiling point
Calculate Ea. Express your answer using two significant figures Ea= kJ/mol Calculate A. Express your answer using one significant figure. A = M-1s-1
When 6.82x1015 ng of potassium chlorate is heated, how many grams of potassium chloride and oxygen are formed?
the anesthetic procaine hydrochloride is often used to deaden pain during dental surgery. the compound is packaged as a 10.% solution (by mass; d= 1.0 g/mL) in water. IF your dentist injects 0.50 mL of the solution, what mass of procaine hydrochlo..
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