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When sulfuric acid is a component of polluted air, it chemically attacks statues, memorials, and monuments made from limestone. Given that the most common mineral in limestone is calcium carbonate, describe how these limestone objects are corroded by the sulfuric acid in polluted air. What chemical reaction is involved here?
Oleum or fuming sulfuric acid available commercially in concentrations ranging from 20 to 99.9% sulfur trioxide.
a. What is the percent by mass of sulfur trioxide (SO3) if oleum is expressed as
3H2SO4 . 5SO3? Show your solution.
b. Discuss at least three potentially hazardous features associated with concentrated sulfuric acid.
Consider two solutions. One solution is 0.1115 M Ca(OH)(2). The other is 0.1050 M HClO(4). a) Write a balanced equation for the reaction between the two solutions.
Explain why the major product that results from the synthesis of an azo dye corresponds to addition of the arene to the distal nitrogen of benzenediazonium.
When chromium crystallizes, it forms body-centered cubic cells. The unit cell edge length is 288.7 pm. Calculate the density of chromium
the molar heat of combustion of methanol ch3oh is -757kjmol. if 2g of methanol is placed in bomb calorimeter with heat
Calculate the predicted change in boiling point, in °C for your solution. What is the calculated boiling point of the solution? Compare this with the actual boiling point.
If it requires 0.00249 mol of NaOH to reach the endpoint, and if we had originally placed 14.92 mL of H3C6H5O7 in the Erlenmeyer flask to be analyzed, what is the molarity of the original H3C6H5O7 solution
Consider a sample of helium gas at 28 C with a volume of 3.80 L at a pressure of 3.15 atm. The gas expands to a volume of 9.50 L and the gas is heated to 43 C
A sample of sodium reacts completely with 0.426 kg of chlorine, forming 702 g of sodium chloride. What mass of sodium reacted?
An electric power station annually burns 3.3 107 kg of coal containing 2.4 percent sulfur by mass. Calculate the volume of SO2 emitted at STP.
the gaseous product of a reaction is collected in a 25L container at 27degrees celsiu. the pressure in the container is 300.0 kPa. how many moles of the gas are in the container.
Use the van der Waals parameters for chlorine to calculate approximate values of (a) the Boyle temperature of chlorine and (b) the radius of a Cl2 molecule regarded as a sphere.
Calculate the pH during the titration of 20.00 mL of 0.1000 M ammonia NH3(aq), with 0.1000 M HCl after 20.30 mL of the acid have been added. Kb of ammonia = 1.8 x 10-5.
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