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Protons can be accelerated to speeds near that of light in particle accelerators. estimate the wavelength (in nm) of such a proton moving at 2.82x10^8 m/s (mass of a proton =1.673x10^-27kg)
The yield of 2-bromohexane is much higher when the reaction mixture is stirred than when it is not. Why is this
Methanol (CH3OH) is produced commercially by the catalyzed reaction of carbon monoxide and hydrogen: CO(g) + 2H2 (g) (equilibrium) CH3OH(g). An equilibrium mixture in a 2.50 , L vessel is found to contain 2.75×10-2 mol CH3OH, 0.180 mol CO, and 0.3..
1.464 g of an unknown hydrocarbon (112.6 g/mol) burns in bomb calorimeter in excess oxygen. The heat capacity of the calorimeter,Cv, = 5.234 kJ/ºC and ?T =5.744 ºC. Find ?E for this hydrocarbon in kJ/mol.
An unknown volume of water at 18.2 degrees Celsius is added to 21.6 mL of water at 35.0 degrees Celsius. If the final temperature is 23.5 degrees Celsius, what was the unknown volume. Assume that non heat is lost to the surroundings; d of water is..
Given that the density of the gas mixture =0.312 g/L at the pressure of 0.2 atm and temperature 500 Kelvin At equilibrium. Determine the value of Kc also express your answer in units of (mol/L)?
what is the concentration of ammonia in a solution if 20.75ml of a .1130M solution of HCl are needed to titrate 100.0mL of that solution
if argon of 0.214 mol nbspoccupies 652 ml determine the volume of 0.375 mol of c4h10 gas under the same temperature and
ascorbic acid vitamin c c6h8o6is a water-soluble vitamin. a solution containing 81.0g of ascorbicacid dissolved in 230g
A quantity of 18.68 ml of a KOH solution is needed to neutralize 0.4218g of a KHP what is the concentration of the KOH solution
chloroform, CHCl3 has a ΔHvap = 29.4 kL/mol. what is it's vapor pressure at 25 degrees celsius
How many grams of oxygen are needed to react with 25.0g of MG. How many grams of Mgo will result
The first atomic explosion was detonated in the desert north of Alamogordo, New Mexico, on July 16, 1945. What fraction of the strontium-90 (t1/2 = 28.8 yr) originally produced by that explosion still remained as of July 16, 1993?
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