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Calculate the entropy change associated with the isothermal expansion of 5.40 mol of ideal gas atoms from 24.260 L to 34.046 L.
In the equation HSO4- + H2O SO4-2 + H3O+, if the Ka is 1.5 x 10 ^-2 and HSO4- = 1.0 M at equilibrium, what is the pH of this solution?
Based on standard reduction potentials, would you expect copper metal to oxidize under standard conditions in the presence of oxygen and hydrogen ions
Define Ideal gas law, Calculate the free energy of mixing when 1 mole of liquid A is mixed with 4 moles of liquid B at 25 degrees C to form an ideal solution. What is the change in chemical potential of component A?
A sample of calcium carbonate absorbs 45.5 J of heat upon which the temperature of the sample increases from 21.1 degrees celcius to 28.5 degrees celcius.
A compound of molecular weight 280 g/mol a concentration of 15.0 micrograms per ml absorbs 65 percent of radiation at a certain wavelength in a 2 cm cell.
Calculate the activity coefficient of glucose in this solution if the solution freezes at -0.66 C.
A piece of metal of mass 18 g at 117 C is placed in a calorimeter containing 48.2 g ofwater at 21C. The final temperature of the mixture is 85.4C.
Important information about Thermochemistry, Glauber's salt, sodium sulfate decahydrate (Na2SO4 * 10H2O) undergoes a phase transition (that is melting or freezing) at a convenient temp of 32 degrees C
The partial pressure of CO2 inside a bottle of soft drink is 4.0 atm at 25°C. The solubility of CO2 is 0.12 mol/L. When the bottle is opened, the partial pressure drops to 3.0 * 10-4 atm. What is the solubility of CO2 in the open drink? Express yo..
what the volume of 0.109m HNO3 that is required to reat completely with 2.5g Barium hydroxide
A bottle of wine contains 14.5% ethanol by volume. The density of ethanol (C2H5OH) is 0.789 g/cm3. Calculate the concentration of ethanol in wine in terms of mass percent and molality.
Calculate the specific rotation of the compound. A sample of 150 mg of an organic compound is dissolved in 7.5 ml of water. The solution is paced in a 20-cm polarimeter tube and the rotation measured in a polarimeter
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