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For 2.25 moles of an ideal gas, Pext=P=200x10^3 Pa. The temperature is changed from 122 C to 28.5C and Cv=3R/2. Calculate the q, w, delta U and delta H for an isochloric process.
A buffer solution is prepared by mixing 20.0 mL of 0.032 M benzoic acid C6H5COOH(aq) solution with 25.0 mL of 0.022 M NaC6H5COO(aq). What is the pH of the buffer produced? (Ka of benzoic acid = 6.2x10^-5).
How many liters of flouridated drinking water would a 70 kg person have to consume in one day to reach this toxic level? How many kg of sodium flouride would be needed to treat a 7.49x 10^6 -gal reservior?
A solution is prepared by condensing 5.01L of a gas, measured at 27.0 degrees celcius and 769 mmHg pressure, into 72.1g of benzene. Calculate the freezing point of this solution.
what is the hydrogen ion concetration of a solution that has a pH of 4.7
How much work is done in kilojoules for the reaction of 6.40 of acetylene at atmospheric pressure if the volume change is -2.76.
What is the minimum volume of 7.0M HCl required to completely dissolve 14.0 grams of magnesium metal?
What is the specific heat capacity (in SI unit) of the following.
A strong acid is generally used to catalyze the Fischer esterification of carboxylic acids. What two steps in the reaction are accelerated by the presence of strong acid, and what function does the acid play in each of these steps
Determine the concentration of calcium and chloride in the solution in both mg/L and mmol/L. You will need to find the molecular weights on a periodic table.
Hydrogen gas was collected over water in a eudiometer at 25 C when the atmospheric pressure was 752 mm Hg. What was the pressure of the hydrogen gas?
how many grams of carbon dioxide would be produced if 45 grams of C6H12O6 completely reacted with oxygen?
Enantiomers and Order of Elution, The enantiomers (R and S forms) of the following chiral alcohols need to be separated by a suitable CHIRAL SEPARATION method.
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