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A thermally insulated cylinder, closed at both ends, is fitted with a frictionless heat conducting piston that divides the cylinder into two parts. Initially, the piston is clamped in the center with 1 liter of air at 300 K and 2 atm pressure on one side and 1 liter of air at 300 K at 1 atm pressure on the other side.
The piston is released and reaches equilibrium in pressure and temperature at a new position.
Compute the final pressure and temperature and increase of entropy if air is assumed to be the ideal gas. What irreversible process has taken place?
For the decrease of camphor into isobornel, you must place the camphor, methanol solvent, NaBH4 mixture in a steam back for two minutes, and then remove, permit to cool and then add ice cold water. Explain what is the purpose of both of these steps
When an aqueous solution of K2CrO4 is mixed with an aqueous solution of AgNO3, a brown precipitate forms. a) Write the balanced molecular equation (including all products and phases) for this reaction.
Read carefully, 0.1M HCl is added into a mixture of 25mL of water and 25mL of Ca(OH)2. For the end point to be reached 1.3mL of 0.1M HCl is added into the mixture. How would I calculate the molarity of the hydroxide ion (OH-) for this final mixtur..
In fermentation of glucose, 780 mL of CO2 gas was produced at 37 degrees C and 1.00 atm. What is the volume(L) of the gas when measured at 22 degrees C and 675 mmHg?
If a reaction vessel initially contains only co and NH3 at concentrations of 1.00 m and 2.00m , respectively, what will the concentration of HCONH2 be at equilibrium?
A sample of ammonia occupies 32.5 Liters at -28 centigrade and 452 torr. What volume will it occupy at STP
a 0.200 m solution of a weak monoprotic acid ha is found to have a ph of 3.00 at room temperature. what is the
A molecule of N2 in air travels at about 1000 ft/sec. If the supersonic transport Concorde travels at 1500 miles/hour, how fast does it travel in ft/sec? (1 mile = 5280 ft)
Quinine (C20H24N2O2) is the most important alkaloid derived from cinchona bark. It is used as an antimalarial drug.
Which one of the following substances will exhibit both dispersion and dipole-dipole forces between molecules in the condensed phase? (please explain why)
Aspirin (acetylsalicylic acid, ) is a weak monoprotic acid. To determine its acid-dissociation constant, a student dissolved 2.00 of aspirin in 0.600 of water and measured the . What was the value calculated by the student if the of the solution w..
A sealed glass jar has a small amount of water on the bottom. The rest of the volume in the jar is taken up by helium gas at a partial pressure of 526 Hg, and water vapor. If the total pressure inside the jar is 760. mmHg, what is the temperature ..
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