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Imagine that you have a 6.50 gas tank and a 2.00 gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 115 , to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.
The volume of a sample of gas, initially at 25oC, increase from 158 ml to 450 ml. What is the final temperature (C) if the pressure in the container is kept constant.
Draw the alcohol produced from the acid hydrolysis of butyl acetate
Compare the percent ionization of the base in (a) with the percent ionization of the base in (b).
determine the volume occupied by .582 moles of a gas at 15*C if the pressure is 622 mm Hg?
Carbon monoxide and water vapor, each at 190 Torr, were introduced into a 250 mL container. When the mixture reached equilibrium at 690 ?C, the partial pressure of CO2(g) was 108 Torr.
Determine the molarity of a solution formed by dissolving 15.79 grams of CaCl 2 , calcium chloride in 200.grams of H 2 O, water?
What is the concentration of the HNO3 solution? (b) How many moles of NaOH were in excess after the first addition?
Calculate what the pH is at 0 mL added strong acid, the quarter-, half-, and three-quarter-equivalence points, the equivalence point, and when excess acid has been added.
For the 3 wood preservatives noted, would acidic vs. alkaline soil or water conditions cause more (or less) leaching or dissolution of these compounds. How do these compounds actually leach out of wood into the environment?
What is the mass of sugar in 735g of a 19.85% sugar solution?
The peptide Special-K forms an ?-helix that is broken at high temperatures. The fraction of peptide in the ?-helical form (fraction = moles a-helical peptide/total moles of peptide)
Determine the mass of this substance should evaporate in order to freeze 190 grams of water at 25 degree Celsius initially? It is given that the heat of fusion H 2 O= 334 specific heat of H 2 O= 4.18
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