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One mole of a gas obeys van der waals equation of state that is allowed to expand isothermally from v1 to v2. Compute ΔG for one mole of ammonia from 0.5 to 10 liters at 300k.
calculate the final molarity of the solution that results when 125 ml of .200 M HCL is diluted to 1.00L
The following compound has two stereoisomers. One has a dipole of 0 D, and the other has a dipole moment of 2.95 D. Draw the structure of the stereoisomer with dipole moment of 0 D.
Find the activity(not the activity coefficient) of the (C3H7)4N+ (tetrapropylammonium) ion in a solution containing 0.005 M (C3H7)4N+Br- plus 0.005 M (CH3)4N+Cl-. The ionic strength will be affected by mixing
Why is it important that your distillation apparatus to have a vent to atmospheric pressure and why do you put a boiling chip
Which of the following substances serves as an intermediate through which all cellular energy sources are interconvertible
An elemental analysis shows that it contains 40.0 mass percent C, 6.71 mass percent H, and 53.3 mass percent Oxygen. Remember mass percent = grams. A determine the empirical formula. B. determine the molecular formula.
An attempt was made to purify a malate dehydrogenase preparation by precipitating protein with ammonium sulfate at 55% saturation. The precipitate was redissolved in buffer, and this solution was found to have a protein concentration
Calculate Ecell for the following electrochemical cell at 25 °C Pt(s) | H2(g, 1.00 atm) | H+(aq, 1.00 M) || Pb2+(aq, 0.150 M) | Pb(s) given the following standard reduction potentials.
at 552.3 k the rate constant for the thermal decomposition of so2cl2 is 1.0210-6. if the activation energy is 210 kjmol
What mass of sucrose should be combined with 464 g of water to make a solution with an osmotic pressure of 8.35 atm at 320 K? (Assume the density of the solution to be equal to the density of the solvent.)
A solution of 2.00 g of para-dichlorobenzene (a clothes moth repellent) in 50.0 g of cyclohexane freezes at 1.05 degrees Celsius. What is the molar mass of this substance?
A 320. mL air sample collected at 35°C has a pressure of 550. torr. What pressure will the air exert if it is allowed to expand to 425 mL at 59°C?
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