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At equilibrium, the concentrations in this system were found to be [N2]=[O2]=0.100 M and [NO]=0.500 M. The balanced chemical equation is N2+O2<--->2NO.If more NO is added, bringing its concentration to 0.800 M, what will the final concentration of NO be after equilibrium is re-established?
The flow-through fraction in ion exchange chromotography of amino acids in which a cation exchange resin was used is expected to contain mainly
calculate the root-mean-square speed of Ne atoms at the temperature at which the average kinetic energy
a)how are a beta particle and an electron similar? b)what symbols are used for beta particles? c)what is the source of a beta particle
Consider the following reactions and select the false statement below. CO2(g) + OH?(aq) ? HCO3?(aq) Cr3+(aq) + 6H2O(l) ? Cr(H2O)63+(aq) A. in Cr(H2O)63+ the Cr3+ is attracted to the H2O molecules via ion-dipole intermolecular forces
Titration of an oxalate sample gave the following percentages of percent oxalate: 12.28%, 12.54%, and 12.24%. Calculate the average and the standard deviation.
the difference between E and Z formations for organic molecules and how to establish priority according to the Cahn-Ingold-Prelog rules.
A titration experiment is set up to use 0.235M bleach (NaOCl) to analyze CrO2-. If 50.0mL of the CrO2-(aq) solution required 37.75mL of bleach to react to completion, what would you calculate as the molarity of the CrO2- solution
What is the pH of the resulting solution if 50 mL of this solution is diluted to 1000 mL Kb = 0.00036.
At a particular temperature, K = 4.0 x 10^-7 for the reaction N2O4(g) ---> 2NO2(g). In an experiment, 1.0 mol N2O4 is placed in a 10.0L vessel. Calculate the concentrations of N2O4 and NO2 when this reaction reaches equilibrium.
Determine the intermolecular distances for the two molecules and account for their similarity or difference.
What length of a cylindrical piece of tungsten wire having a radius of 3.71 mm has a mass of 61.3 g? The density of tungsten is 19.25 g/cm3.
The population mean of the bulb lifetime is 950 h and the population standard deviation is 50 h. calculate the fraction of bulbs expected to have a lifetime less
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