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A system consists of an ideal monatomic gas initially at temperature 300.0 K, volume 4.000 L, and pressure 4.000 bar. For the following process, calculate the final values of T, P, V, q, w, ?U, and ?H.
Constant pressure heating to a final temperature of 500.0K, with the gas expanding against an external pressure of 4.000 bar.
Calculate the molar concentration of illinic acid and of its conjugate base illinate ion (in moles/L; M) in a 3 M illinate buffer at pH 7.5. The pKa of illinic acid is 6.7.
What volume of 0.1000 M NaOH is required to titrate a 0.1000 M propionic acid solution, CH3CH2COOH, Ka = 1.3 x 10-5 , to the equivalence point?
The molecular mass of propanoic acid is 75.1 amu. Calculate the molecular mass of methyl ethanoate, an isomer of propanoic acid. Express your answer with appropriate units.
Consider the combustion reaction between 26.0 mL of liquid methanol (density=0.850g/mL) and 13.0 L of oxygen gas measured at STP. The products of the reaction are CO2(g) and H2O(g),
Calculate the mass of calcium carbonate formed when 25 mL of a solution of calcium chloride at 0.10 M react with sodium carbonate in excess
What mass of sucrose should be combined with 462 of water to make a solution with an osmotic pressure of 8.30 at 270 ? (Assume the density of the solution to be equal to the density of the solvent.)
The below table lists pressure and volume measurements for air in a cylindrical piston of an air compressor. The variables may be assumed related by: PV^k=C
63mL of a 1.70 M solution is diluted to a volume of 218 mL. A 109mL portion of the solution is diluted using 117mL of water. What is the final concentration?
Determine the volume of .450M NaPO4 is needed to precipitate all the lead(II) ions from 190.0mL of .550M Lead(II) nitrate?
The temperature of a 2.o-liter sample of helium gas at stp is increased to 27 degrees Celsius and the pressure is decreased to 80kpa what is the new volume of the helium sample?
A flask contains 0.250 mol of liquid bromine, Br2. Determine the number of bromine molecules present in the flask.
If 10g of na2s2o3 are reacted with 10g of agbr, what would be the maximum yield of nabr and which is the limiting reagent, if any?
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