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The U.S. Environmental Protection Agency set a maximum contaminant level (MCL) for tetrachloroethylene (TCE, C2Cl4) in drinking water of 0.005 ppm (by mass). If the water in your home contains 13 percent of the allowable MCL, what is the molarity of TCE in your home?
Carbonyl fluoride, COF2, is an important intermediate used in the production of fluorine-containing compounds. For instance, it is used to make the refrigerant carbon tetrafluoride, CF4 via the reaction
How much heat is evolved when 243 g of ammonia gas condenses to a liquid at its boiling point?
Calculate the pH of the 0.39M NH3/ 0.73M NH4CL buffer system . B) what is the pH after the addition of 20.0 mL of 0.075M NaOH
A manometer shows a mercury level of 225 mm Hg on the closed end of the tube and 108 mm Hg on the open end. If the atmospheric pressure is 760 torr,
A proton in a linear accelerator has a de Broglie wavelength of 158 pm, What is the speed of the proton?
What are the products from the combustion of 2-methyl-3-ethyloctane?
At a certain temperature the vapor pressure of pure benzene and pure toluene are 380 torr and 130 torr, respectively.
What pressure is exerted by 0.625-mole of a gas in a 45.4-L container at -24.0°C?
What is the concentration of the vitamin C standard solution? Using a balance, 125mg of Vitamin C was weighed out and was added to a 100-mL beaker and dissolved in 50mL of DI water.
If you open the valve on the tank and release the helium into a room with a volume of 10,000 liters, what will happen to the "space" between the helium atoms? Clearly explain
Write a complete stepwise mechanism for the reaction of cyclopentanone with bromine in acetic acid to give 2-bromocyclopentanone. Show all intermediate structures and all electron flow with arrows.
How many grams of oxygen are collected in a reaction where 231 mL of oxygen gas is collected over water at a temperature of 25°C and a total pressure of 697 torr?
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