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Write a balanced equation for the following reaction gaseous propane (C3H8) burns in oxygen to form gaseous carbon dioxid and water.
Isotope 1 has a mass of 120.9038 amu and a relative abundance of 57.4%, and isotope 2 has a mass of 122.9041 amu. What is the atomic mass of this element?
The normal boiling points of CO and SO2 are -192c and -10c, respectively. a) At 25c and 1 atm, which gas would you expect to have a molar volume closest to the ideal value
Which has the lower concentration of hydrogen ions, vinegar at pH 3 or tomato juice at pH 4? How many times fewer hydrogen ions? Which is more acidic?
What is the absolute error in mL associated with a 25 mL burette, and what is the relative error % when a 3.25 mL volume is measured with the 25 mL burette
If the mole fraction of the ethanol in the solution is 0.65, calculate its mole fraction in the vapor phase at this tempature.The vapor pressures of ethanol and 1-propanol are 108mmhg and 40 mmg respectively.
consider the following reaction at equilibrium: N2(g)+O2(g)+heat 2NO(g). indicate how each of the following will shift the equilibrium: a)raising the temperature of the reaction. b)decreasing the volume of the reaction container. c)adding a cataly..
If the Km of carbonic anhydrase for the above reaction is 1.8 mM, what is the catalytic efficiency of this enzyme under these conditions? The units are s-1M-1.
A polluted water sample is suspected of being contaminated with one of the following; soap, ABS Surfactant, or LAS. In soft water, the sample has a very high BOD relative to its TOC.
An important characteristic in the mechanism of this reaction is the formation of a tetrahedral intermediate which is the result of a. the alcohol attacking the 2-phenylacetic acid with the subsequent loss of a proton.
If an acid base reaction produces a solution with a pH of 7 at its equivalence point, why does an indicator solution that changes color at either a pH of 5 of 9 work just as well as one that changes at a pH of 7
Given 7.80 of butanoic acid and excess ethanol, how many grams of ethyl butyrate would be synthesized, assuming a complete 100 yield
What is the net ionic equation for the reaction that occurs when small amounts of hydrochloric acid are added to a HOCl/NaOCl buffer solution
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