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Calculate the pressure and composition of air 100 miles above the surface of the earth assuming that the atmosphere has a temperature of 0 celsius independent of altitude. The correct answer is 3.27 X 10^-9 bar; yO2=0.015, yN2=0.985.
The choice of precipitating reagent is important. Briefly explain what the consequences would be if excess 6M NaOH solution instead of 6M NH3 solution were used to separate Fe3+ and Al3+ ions from Ca2+, Cu2+,
if the pressure exerted by ozone o3 in the upper stratosphere is2.28 torr of hg and the temp is 250k how many molecules
Water (H2O) methyl alcohol (CH3OH ethyl alcohol (CH3CH2OH), ethylene glycol (HOCH2CH2OH), and sucrose (C12H22O11) are commonly classified as
Determine the extent of reaction and amounts of B & Z and A reaction having time independent stoichiometry follows the equation
How do you arrange PV=nRT to give equation relating pressure to concentration and use it to modify Beer's Law to apply to gas pressure? Write a formula that relates absorbance to gas pressure.
WWOZ broadcasts at a frequency of 90.7 MHz. What is the wavelength (in meters) of this radiation
Write the isotope needed, by identifying A, Z, and X, to balance the following nuclear fission reaction: 235/92 U+1/0 n--->140/56 Ba+A/Zx+31/0 n
what mass of H2O is required to form 1.6 l of O2 at a temperature of 273 k and pressure of .936 atm
The activation energy of a certain reaction is 44.8 kj/mol. At 20 degree celcius , the rate constant is0.0130s^-1 . At what temperature would this reaction go twice as fast
Calculate the mass of Sodium and Zinc in grams in the following equations using ideal gas law - Determine the amount of Zinc metal in grams consumed in the reaction.
A solution contains 0.021 M Cl? and 0.017 M I?. A solution containing copper (I) ions is added to selectively precipitate one of the ions. At what concentration of copper (I) ion will a precipitate begin to form? What is the identity of t..
The rate constant for the second- order reaction.starting with a concentration of 0.86m, calculate the concentration of NOBr after 57s.
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