What is the pressure of n2 in the flask
You conduct an experiment where N2 is collected over water in a 2.66 L flask at 26.oC. At the conclusion of the experiment, the total pressure in the flask is 594. torr. What is the pressure of N2 in the flask?
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a 0.5224-g sample of an unknown monoprotic acid was titrated with 0.0998M of NaOH. the equivalence point of the titration occurs at 23.82ml. Determine the molar mass of the unknown acid
In the hydraulic press used in a trash compactor, the radii of the input piston and the output plunger are 5.5 10-3 m and 5.5 10-2, respectively. If the height difference between the input piston and the output plunger can be neglected, what force
Metallic magnesium reacts with steam to produce magnesium hydroxide and hydrogen gas. If 17.1 g of Mg are heated with 9 g of H2O, what is the limiting reactant?
the three naturally occurring isotopes of potassium are 39k, 38.963707u; 40k, 39.363999 u; and 41k. the percentage natural abundances of 39k and 41k are 93.2581% and 6.7302%, respectively. determine the isotopic mass of 41k.
Explain the "Asian Migration Hypothesis" as detailed in the text. According to this theory, how did natives gradually spread over the continent in subsequent migrations?
A loudspeaker of mass 16.0 is suspended a distance of = 2.00m below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of = 2.70 . What is the tension in each of the cables?
At pH 4, histidine (pKs are α-carboxylate 1.8, α-amino 9.33, 6.04 imidazole)would have what charges on each functional group and what would be the net charge?
A gas sample was collected over water at 25.3 degrees Celsius, The total pressure is determined to be 0.97 atm. What is the partial pressure of the gas that was collected?
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Choose 3 different vulnerable populations. What factors create vulnerabilities for different populations?
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