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Approximately 250 mol of an ideal gas expands adiabatically and irreversibly from 2 m3 to 5 m3 against a constant restraining force of 100 kPa. Initially, the temperature and pressure of the gas are 300 K and 700 kPa. For this gas, Cv=25 J/mol K. Calculate the work done by the gas and its final temperature.
the solubility of silver sulfate in water is 0.223 wv at 35degc. calculate the solubility product of this salt at this
Draw the structure of an alkane or cycloalkane that has more than three but fewer than ten carbon atoms, and only primary hydrogens.
what is the total vapor pressure4 at 20deg c of a liquid solution containing 0.30 mole fraction benzene c6h6 and 0.70
What is the purpose of sulfuric acid or phosphoric acid used in the acetylation reaction? Use equations to explain this purpose.
A Chem 113 TA prepares a solution by dissolving 3.11 g of solid KOH in enough water to make 100.0 mL of solution. Calculate the molarity of K+ ions in this solution.
Determine the molar mass of Freon-11 gas if a sample weighing 0.597 g occupies 100 cm3 at 95°C, and 1000 mmHg.
Calculate the values for Z1 and Z11 for mercury (Hg) vapor at 40 degrees C at P = 0.10 atm. How does this quantity depend on pressure
A soluation of HO-CH2-CH2-OH is prepared by dissolving 651g of ethylene gylcol in 1.50kg of water. Determine the freezing point of the soluaiton and the vapor pressure of water above the solution 25.0 degrees C.
An ionic solution is investigated for identity. Using the following clues, identify the cation and the anion in the solution: a. There is only one cation and one anion in the solution
What is the pH when 25mL of .20M CH_3COOH has been titrated with 35mL of .10M NaOH
What would the name of the species in the aqueous layer be when the mixture mentioned above is extracted with either sodium hydroxide or sodium bicarbonate?
What is the pH of a 0.16 M solution of oxalic acid, H2C2O4. The Ka1,2 values of oxalic acid are 5.6 x 10-2 and 5.4 x 10-5. For a weak polyprotic acid, it is usually OK to assume the hydronium ion concentration, and hence the pH, results predominan..
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