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Room temperature is often assumed to be 25 degrees celcius calculate the molar volume of an ideal gas at 25 degrees celcius and 1 atm pressure
The solubility of N2 in blood at 37°C and at a partial pressure of 0.80 atm is 5.6 10-4 mol/L. A deep-sea diver breathes compressed air with the partial pressure of N2 equal to 3.6 atm. Assume that the total volume of blood in the body is 5.0 L.
If the heat of fusion os X is 80.0 J/g, the heat of vaporization is 190.J/g, and if 3.5 J are required to warm 1 g of X each degree, how much energy will be needed to accomplish the change in a
A crystalline unit cell contains oxygen atoms on all edges of the cell and rhenium atoms on each corner. What is the formula for rhenium oxide
15 g of steam at 373 K is added to 250 g of H2O (liquid) at 298K at onstant pressure of 1 bar. Is the final state of the system steam or liquid water? Calculate changes in entropy for the process.
Which statement best describes relationships in a modern periodic table? A.) Each transition element is placed in the column of the main group element that it most closely resembles.
What type of glycosidic bond occur between a ketose and ketose would yield a non-reducing disaccharide.
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.
Calculate SO (universe) for the formation of 1.00 mol of HCl (g) from gaseous hydrogen and chlorine at 25 OC. Is the reaction spontaneous at that temperature
Gold has a face-centered cubic arrangement with a unit cell edge length of 4.08 \AA. How many moles of gold fit in a sheet with a length of 51.6 nm, a width of 24.3 nm
Assume that 29.0 mL of a 0.10 M solution of a weak base B that accepts one proton is titrated with a 0.10 M solution of the monoprotic strong acid HX.
What does the angular momentum quantum number determine. Check all that apply. A.) the overall size of an orbital B.) the energy of the electron on the outer shell
What mass of methane, CH4, is contained in a 500.-mL sample of CH4 at STP?
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