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At 400 K, the rate of decomposition of a gaseous compound initially at a pressure of 12.6 kPa, was 9.71 Pa/s when 10.0 % had reacted and 7.67 Pa/s when 20.0 % had reacted.Determine the order of reaction.
A 0.062 M aqueous sample of species y was analyzed by atomic absorption spectroscopy at 525 nm and in a 1.00-cm cell and yielded a %T value of 70.19 % . Calculate the molar absorptivity of species y.
Use Coulomb's law to calculate the ionization energy in kJ/mol of an atom composed of a proton and an electron separated by 272.00 pm.
Question one: A certain weak acid has, HA, has a Ka value of 8.3*10^-7. Calculate the percent of ionization of HA in a .10 M Solution.
At what wavelength do you measure the change in absorbance to assay for enzyme X? Does the absorbance increase or decrease over time?
1.50 g of nh3 react with 2.75g of o2 which is the limiting reactant? How many grams of excess remain after the limiting reactant is completely consumed?
the solubility of kcl in h2o 34.0 g kcl100 g h20 at the temperature of twenty degree celsius. a solution warm having
A solution consisting of .200 mol of methylbenzene (C6H5CH3) in 250 g of nitrobenzene (C6H5NO2)freezes at .40 degrees celsius
Phosphorus-32 is used in the form of Na2HPO4 in the treatment of chronic myeloid leukemia, among other things. (a) The isotope decays by beta-particle emission. Write a balanced equation for this process.
The boiling point of water at sea level Is 1000C. At higher altitudes, the boiling point of water will be a) lower, because temperatures are lower b) lower, because the atmospheric pressure is lower c) higher, because the altitude is greater.
If we took EXACTLY 1.00 ml of a 1.000 M solution of Cu(NO3)2 and placed it in 99.000 ml of water and mixed it, then took 2.00 ml of this solution and placed it in 18.000 ml of water.
a certain monoprotic weak acid with ka 6.8 times 10-7 can be used in various industrial processes but is no longer
The temperature outside is 15 degrees celsius, and the air pressure is 0.700 atm. Your neighbor, who released the balloon, tells you that he filled it with 4.20 moles of gas. What is the volume of gas inside this balloon
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