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The solubility of nitrogen in water exposed to the atmosphere, where the partial pressure of nitrogen is 593 mm, is 5.3 × 10-4 M. At the same temperature, what would be the solubility of pure nitrogen, at a pressure of 760 mm?
A Grignard reagent is an organomagnesium halide (or R-Mg-X). Explain the difference in the reactivity of the carbon bonded to the halide in an alkyl halide (R-X) versus the carbon bonded to the magnesium in a Grignard reagent.
A radioactive element has a half-life of 2.2 hours. How many hours will it take for the number of atoms present to decay to one-sixteenth of the initial value? Show your calculations
the threshold wavelength for potassium metal is 564 nm. what is its work? what is the kinetic energy of electrons ejected if radiation of wavelength 410 nm is used?
In reference to the tripeptide Gly-Ala-Val, what is the isoelectric point at a pH of 5 and in what direction would it move if placed in an electric field.
calculate pH at points between the start of titration and equvalence point: choose points so tht they will be more dense where change in pH is faster
The simplest alkene has the formula C2H4 and the simplest cycloalkene has the formula C2H2
The specific heat of liquid water is 4.184 J/g x C. Calculate the energy required to heat 10.0 g of water from 26.5 C to 83.7 C.
In the qualitative cation analysis procedure, Bi3+ is detected by the appearance of a white precipitate of bismuthyl hydroxide, BiOOH(s): BiOOH(s) --->
A voltaic cell has a standard cell potential equal to 0.74 V. If the standard electrode (reduction) potential for the anode is - 0.22 V, what is the standard electrode potential for the cathode
Compute the molar heat capacity of mercury and the specific heat capacity of mercury.
A 48.0-L gas cylinder contains 249 mol of H2 gas at 298 K. What is the pressure inside the cylinder.
What is the flask's volume?
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