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A package of alumnium foil contains 50 ft ^2 of foil, which weighs approximately 8.0 oz. Alumnium has density of 2.70 g/cm ^3. What is the approximate thickness of the foil in mm?
how many moles of HCl are required to make 15.00mL of an aqueous 2.500 molar HCl solution
Draw a structure of the species that is formed at the lower PH if the acid proton adds to the azo nitrogen atom adjacent to the aromaic ring containing the SO3- group. Why does the proton adds to this particular nitrogen when two other nitrogen at..
A 1.90 mole quantity of NOCl was initially in a 1.50 L reaction chamber at 400°C. After equilibrium was established, it was found that 36.0 percent of the NOCl had dissociated.
Explain a pressurized tank of helium gas initially at 9bar and 36 C is cooled until the pressure reaches 5bar. Define what is the final temperature of the gas
how many coloumbs are required to plate a layer of cr metal .25m thick on an autobumper with total area of .32m2 from a
An aerosol can has an internal pressure of 3.85atm at 25 degrees celsius. What temperature is required to raise the pressure to 18.0atm
When chemicals pour on the skin
An experiment was carried out similar to the one carried out to determine the empirical formula of magnesium oxide. The empirical formula for an oxide of chromium is required
Determine the titration of 50.00mL of a 0.100 M weak acid solution with 0.100 M NaOH. If the pH at the equivalence point is 5.0.
Determine what element is getting REDUCED. This reaction is used by the railroads to weld tracks together in remote locations to make the iron to fill the space between tracks. Once the reaction starts, it cannot be stopped and will melt anything ..
determine the mass of Carbon Monoxide produced when 0.64g of antimony(III) oxide reacts with carbon according to the following equation: Sb2O3 + 3C yields 2Sb + 3CO
From there, how would I find the moles of salicylic acid in aspirin sample (mol) and the mass of salicylic acid in aspirin sample (g), which should help me calculate the percent purity of aspirin and the percent yield of aspirin in sample. Thank y..
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