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Three bulbs are connected by tubing, and the tubing is evacuated. The volume of the tubing is 35.0 mL. The first bulb has a volume of 35.0 mL and contains 8.84 atm of argon, the second bulb has a volume of 250 mL and contains 2.18 atm of neon, and the third bulb has a volume of 49.0 mL and contains 6.40 atm of hydrogen. If the stopcocks (valves) that isolate all three bulbs are opened, what is the final pressure of the whole system in atm?
Serum taken from a patient being treated with lithium for manic-depressive illness was analyzed for lithium concentration. A reading of 276 units was obtained for the intensity of the 671 nm red emission line
if 6.73 g of NaCo3 is dissolved in enough water to make 250. mL of solution what is the molarity of the sodium carbonate ?
The B4O5(OH)4^2- ion present in 5 ml of a saturated Na2B4O5(OH)4 solution at a measured temperature is titrated to the bromocresol endpoint with 3.25 ml of .291 M HCl.
the volume of a sample of oxygen gas collected over water is 258 mL at 27 degrees C and 620.0 torr. Calculate the volume in milliliters of dry oxygen gas at STP. (the vapor pressure of water at 27 degrees C is 26.7 torr.)
How long does it take to deposit a coating of gold 1.00um thick on a disk-shaped medallion 4.00 cm in diameter and 2.00 mm thick at constant current of 89 A?
Gallium has two common isotopes Ga-69 and Ga-71. Suppose we wanted to use the Ga-71 isotope for some reason, and obtained a pure 6.0g sample of Ga-71.
Calculate the vapor pressure lowering of a solution of 2.80 g of aspirin (molecular weight = 180.15 g/mol) in 45.0 g of methanol (CH3OH) at 21.2°C.
Distilled water in the same tube gave a reading of +0.016 degrees. Calculate the specific rotation for the compound.
Write an expression for the quantity 506000 cm in which it is clear that all the zeros are significant.
If this gas is brought to a final temperature of 150 degrees Celsius while the volume is held constant, what is the final pressure?
If a student weighs out .500g of oxalate unknown and it takes 20.6 mL of permanganate solution to titrate it, how much oxalate unknown should the student weigh out
which of the following glycosidic linkages would promote the formation of a helical structure
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