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A sample of helium has a volume of 325 mL and a pressure of 655 mm Hg. What will be the pressure if the helium is compressed to 125 mL( T constant).
Ethanol (C2H6O), the intoxicant in alcoholic beverages, is also used as a precursor of many other organic compounds. In acid solution, ethanol forms diethyl ether (C4H10O)
Determine the mass of H 2 O in the flask and it's the true volume at 20° C?(at 20°C the Density g/mL=0.9982071,20°C the volume of 1g of water (mL) corrected for buoyancy is 1.0029 )
A 2.0L closed flask contains 0.50 g N2 gas at a temperature of 25°C. Calculate the pressure in atm inside the flask.
Formulate a suitable mechanism to account for the reaction of thionly chloride with carboxylic acids to yield the corresponding chlorosulfite.
If 7.1 g of butanoic acid, C4H8O2, is dissolved in enough water to make 1.0 L of solution, what is the resulting pH? A table with Ka values can be found here.
Predict the physical state of ammonia at -95 degrees C (mp =-77degrees C, Bp =-33 degrees C) and normal atmospheric pressure.
an Erienmeyer flask is closed by a stopper connected to a glass tube. the glass tube is sealed by a drop of mercury. if we move the whole appareatus in the diagram from a room with a temp. of of 26 degrees celcius to an outdoor yard with a temp of..
A sample of 0.836 gm of unknown compound containing barium ions ( Ba2+) is dissolved in water and treated with an excess of Na2SO4. If the mass of BaSo4 precipitate formed 0.7403 gm, What is the percent by mass of Ba in the original unknown compou..
Find the number of moles of water that can be formed if you have 150mol of hydrogen gas and 70mol
a sample of ringers solution contains the following concentractions meql of cations na 147 k 4 and ca2 4. if ci- is
Starting with butyramide as your only source of carbon, make butyl butyrate.
The washer has an outer diameter D = 45.0 mm, an inner diameter d = 9.0 mm, and a thickness h = 3.0 mm. Copper has density of 8.96 g/cm^3. What is the total volume of copper coating (in mm^3, 1cm^3 = 1000mm^3)
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