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Gas stoichiometry.
Ethanol (C2H5OH ) burns in air: C2H5OH (I) + O2(g) ----> CO2(g) + H2O (I) Balance the equation and determine the volume of air in liters at 35.0 degrees C and 790 mmHg required to burn 227 g of ethanol. Assume that air is 21.0 percent O2 by volume.
Percentage of calcium carbonate in the sample.
Dissolving 3.00 g of an impure sample of calcium carbonate in hydrochloric acid produced 0.656 L of carbon dioxide (measured at 20.0 degrees C and 792mm/Hg). Calculate the percent by mass of calcium carbonate in the sample. State any assumptions.
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?
Write an equation for the formation of an acetal from reaction of excess methanol with benzaldehyde in the presence of an acid catalyst.
What happened when 6.0M HCl was added to the contents of the tube in 7a above?
Find the value of Pressure - How much more pressure will the gas exert if the temperature is raised to 44.1°C?
Estimate the thickness of the lipid bilayer in a biological membrane - Estimating the thickness of a membrane by using bond distance.
This assignment inhibits chemistry Laboratory Questions.
Find the mass of a reactant using Dalton's law of partial pressures, ideal gas law, and stoichiometry - Determine the amount of zinc metal in grams consumed in the reaction.(Vapor pressure of water at 25 o C-23.8mmHg)
Find the volume of a molar solution and What volume of a 2.00 molar solution of sulfuric acid, H 2 SO 4 , is required to react with 250.0g of magnesium carbonate, MgCO 3 , according to the following equation?
Find the amount of known substance present in the mixture and determine the mass of calcium carbonate present in original mixture.
Determine the molar mass of aspartame and How many moles of molecules are in 10.0g of aspartame?
Find the mass of the substance and the volume of a gas in a reaction - determine the mass of solid ammonium nitrate that must be used to obtain 0.145 L of dinitrogen oxide gas at STP.
What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?
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