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Problem- What is the pressure in a 10.0-L cylinder filled with 0.440mol of nitrogen gas at a temperature of 316K?
I am not able to get the correct answer please help me
the electron in the n=5 level of a hydrogen atom emits a photon with a wavelength of 1280 nm. To what energy level does the electron move?
the compound x2y has a molar mass of 110.27 gmol. the ratio of xy by mass in the compound is 2.44 1. what is the
Combustion of 19.81 mg terephthalic acid produces 41.98 mgCO2 as well as 6.45 mg H2O. If 0.315 mol of terephthalic acid has a mass of52.3 g find out the molecular formula for terphthalic acid.
Calculate the cell potential for the following reaction as written at 61 °C, given that [Mg2 ] = 0.854 M and [Ni2 ] = 0.0100 M. If Mg(s)+Ni^2+ Mg^2+ + Ni(s). E^o for Mg half-cell is -2.38 and for Ni -0.26
With the pure solvent in the light path, the meter reading is 78; with a 0.1 M solution of a solute in the same solvent, the meter reading is 55. The light path is 0.5 cm. Calculate the absorbance, the transmittance, and the molar absorption coeff..
Consider the following process. which of the following correctly applies? chose answere from the following answers. (a) termination step (b) polar reaction (c) unsymmetrical bond formation (d) produces a radical
a sample consisting of various gases contains 3.6 10-6 mole fraction of radon. this gas at a total pressure of 33 atm
A) By what factor will the pressure of sulfuryl chloride decrease after 5 half lives. Note: The answer wants this value: (340. torr)/value = final pressure after decay. The rate constant for the decomposition at 660 K is 4.5 10-2 s-1.
calculate the theoretical mass of nylon 6,10, in order to find out the percent yield. - 1mL of sebacyl chloride was used (density = 1.121g/mL) and 2.3 grams of 1,6 hexanediamide
How many microliters of 1.000 M NaOH solution must be added to 25.00 mL of a 0.1000 M solution of lactic acid HC3H5O3 to produce a buffer with pH = 3.75
The method of standard additions was used to determine nitrite in a soil ample. an aliquot of 1.00 mL of the sample was mixed with 24.00 mL of a colorimetric reagent, and the nitrite was converted to a colored product with an absorbance of 0.300.
We would like to make a buffer solution with a target pH of 8.44 (ignore activity). Suggest 3 conjugate acid/base pairs that could be used to make such a buffer.
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