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The left hand arm of a J tube is attached to a sample of gas held at constant temperature. The mercury in this arm is 10.83 cm above the bottom of the manometer. The right arm is open to the atmosphere (Patm=783.0 Torr) and the height of the mercury in that arm is 40.00 cm. What is the pressure of the sample of gas
Given the following half-cell reactions, write the overall reaction and calculate the standard reduction potential for the cell. Mn3O4 (s) + 4H2O (l) + 2e- ? 3Mn(OH)2 (s) + 2OH- (aq)Eo = 0.002 V
The half-life for the radioactive decay of [U]-238 is 4.5 billion years and is independent of initial concentration.
How would the results for atomic weight have differed if the hot water was never brought to a boil?
Explain fructose solution with a concentration f 80mg/ml, but need to take 3.5L of fructose solution with a concentration of 300 mM.
List the liquids in table 2 whose densities and boiling points most closely match those of the unknown liquid. List these liquids densities, boiling points, & solubilities.
the 1H NMR spectrum contains a triplet at 1.08 ppm (3H), a singlet at 2.5 ppm (3H), and a quartet at 2.45 ppm (2h). the magnitudes of the splitting of both the quartet and triplet are identical. deduce the structure of this compound and assign all..
Concentration of glucose complex form stock? Set of standard solns was prepared by taking a known volume of a stock glucose soln, containg 1.000 g glucose dissolved in 100 mL of distilled water
Explain why p-nitrophenol is a stronger acid than phenol itself. P-methoxyphenol and acidity
The vapor pressure of pure methanol, CH3OH, at 30 °C is 160. torr. How many grams of the nonvolatile solute glycerol, C3H5(OH)3, must be added to 131. g of methanol to obtain a solution with a vapor pressure of 133. torr?
The total volume of both metals is measured by the displacement of water to be 426 and the total mass is 4.40 . What percentage of the spheres are copper?
During physical activity, lactic acid (MM = 90.08 g/mole) forms in muscle tissue and is responsible for muscle soreness. An elemental analysis shows that it contains 40.0 mass percent C, 6.71 mass percent H
What is the work done by the copper bar on the surrounding atmosphere? The density of copper at 20 degree celsius is equal to 8920 kg/m3.
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