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A solution is made from 96 g of a nonvolatile solute in 80.0 grams of water. The solution has a vapor pressure of .312 atm at 75°C. Calculate the molar mass of the nonvolatile solute. The vapor pressure of pure water at 75°C is 0.380 atm
Do you expect the sulfur-oxygen bond lengths in sulfite and sulfate ions to be about the same. Why.
the sandals in disintegrations per minute per gram? Assume the original activity was 15.3 disintegrations per minute per gram.
Sterling silver is 92.5% silver by mass with a density of 10.3 g/cm3. If a cube of sterling silver has a volume of 27.0 cm3, how many ounces of pure silver are present
Write a nuclear equation to describe the spontaneous fission of 244 Am 95 to form I-134 and Mo-107. Determine how many netrons are produced in the reaction
iron ore is produced through the following reaction in a blast furnace ironiii oxide carbon monoxide --gt iron carbon
What are the concentrations of OH- and H in a 0.00067 M solution of Ba(OH)2 at 25 °C? Assume complete dissociation.
For the first-order reaction 1/2 N2O4(g) yields NO2(g); change in H = 28.6kJ the rate constant is k=6.84 x 10 to the 4 s-1 at -23 degrees C, and the activation energy is 53.7 kJ/mol. what is the rate constant at 15 degrees C.
what is the activation energy of a reaction if its rate constant at 35 c was double the value of the rate constant at
how many grams of dry nh4cl need to be added to 2.30 l of a 0.100 m solution of ammonianh3 to prepare a buffer solution
How many ATPs are synthesized for every cytoplasmic NADH that participates in the glycerophosphate shuttle in insect flight muscle?
Describe the procedure you will use to determine those cation/anion pairs that produce precipitates. Make sure you include all equipment and amounts of materials you expect to use
Scientists are working on purifying PFK-1C from rabbit brain tissue. The rabbit brain tissue was homogenized and centrifuged to remove insoluble material. Next, the soluble preparation was loaded on top of an ATP-Sepharose column.
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