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As we know many volatile substances are present in Earth's atmosphere in trace amounts. The given quantities of these trace gases a) 4.887 1017 atoms of Ne (g) , b) 5.080 x 1016 molecules of hydrogen (g), c) 1.85 x 1013 molecules of NO2 (g), d) 9.45 x 1015 molecules of O3 (g) were found in a 1.0 gallon sample of air. Compute the number of moles of each gas in this sample?
Determine the numbers of moles of S8 that are required to make 0.600 moles of SF4.
Find the volume of FeSO4 solution - What volume of 0.200M FeSO 4 solution would be required to react with 20.0mL of 0.250M KMnO 4 according to the following equation?
Determine the concentration of a solution prepared by diluting 25.0 milliliters of a 12 molar HCl solution with H2O until the final volume is 2.50 x 10² milliliters.
4.00g of H2SO4 solution was diluted with H2O and added with excess of cacl2, and The washed and dried precipitate of BaSO4 weighted 4.08g. Calculate percent H2SO4 in the original acid solution.
How you will protect an underground pipe line from corrosion and what are biodegradable polymers or what are conducting polymers
How many grams of water should be produced and What is the theoretical yield of nitrogen?
Prepare the molecular formula for given compounds and determine the amount of molecules present and write the molecular formula and determine how many grams of each you have
This is the given reaction CaC2(s) + 2H2O(l) = C2H2(g) + Ca(OH)2(aq) determine How much H2O is needed If 48 g of CaC2 are consumed in this reaction?
Pyridine(C5H5N) is a weaker base in H2O than 2,6 lutidine (dimethylpyridine), but we observe that the pyridine-BF3 complex is more stable than the comparable lutidine-BF3. Explain the reason for this inversion in stabilities.
Determine the molar concentration of chloride ions after adding 225 ml of 0.625 MKCL with 615 ml of 0.385M MgCl2 if final volume of the solution is 840ml.
Determine the partial pressure and total pressure of the gases and Find the partial pressure of carbon dioxide in a gas mixture
Multiple choice questions in organic chemistry - Which of the following statements are true about the processes of melting and freezing?
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