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Consider a piston-cylinder assembly that contains 1 mole of ideal gas, A. The system in well insulated. Its initial volume is 10L and initial pressure, 2 bar. The gas is allowed to expand against a constant external pressure of 1 bar until it reaches mechanical equilibrium. What is the final temperature of the system? How much work was obtained? For gas A: Cv= (5/2)R.
compare the stabilities of each of the four conjugate bases that would be formed from the doprotonation of the four different OH groups and determine which of hte OH is most acidic.
a sample of the sugar d-ribose c5h10o5 of mass 0.727 g was placed in a calorimeter and then ignited in the presence of
The temperature scale is called °M and has a value of 0°M at the freezing point and 100°M at the boiling point of sodium fluoride. What would the temperature be in degrees centigrade, if it was 61.300°M
calculate the ph at teh second equivalence point in the titration of 0.1000l of a 0.1000 m solution of the weak
If we exchange the labels on particles that are part of a wavefunction (for example, if we exchange the labels on particles 1 and 2 and call them particles 2 and 1 instead), what might happen to our wavefunction
a student was given 45 ml of ethanol. it has a density of o.789 gml. this amount of ethanol was placed into 969 ml of
When doing column chromatography using a silica as a solvent. got two bands when separating blue dextran...but unfortunately cannot remember the colors of those bands
Calculate the equilibrium concentrations of IO3- and Cd2+. Assume volumes are additive, and the temperature remains constant
If a solution of sodium chloride contains 5.2 NaCl in 900 grams of water. What is the concentration of the solution in parts per million?
Determine whether or not the mixing of each of the two solutions indicated below will result in a buffer: 75.0 mL of 0.10M HF; 55.0 mL of 0.15 M NaF
A balloon is filled to a diameter of 30.5 cm with air in Los Angeles when the temperature is 25 degrees C. It is brought to Flagstaff where the temperature is 5 degrees C
A feed mixture weighing 200 kg of unknown composition containing water, acetic acid, and isopropyl ether is contacted in a single stage with 280 kg of a mixture
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