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1) Explain why 1-butanol and butanone have such different boiling points
2) Explain which distilation method (fractional or simple) would be most appropriate to seperate hexanes and dichloromethane.
3) If glass beads in the lab were replaced by a material with less surface area, will liquid seperation be better or worse? Why?
4) Why should the recieveing flask be submersed under an ice bath when collecting isopropanol or acetone?
What is the relative kinetic energy between the electron and proton after ionization, that is r=infinity? C) Assume that the electron has all the kinetic energy in part
Determine the specific heat of a metal object of 19 grams that is heated to 96 degrees Celsius and added to a calorimeter containing 75 grams of H 2 O at 18 degrees Celsius.
sodium hydroxide solution for neurtalization to a phenolphthalein end point, calculate the molarity of the phosphoric acid.
Under certain conditions, the substance ammonium nitrite can be broken down to form nitrogen and water. If 32.4 grams of ammonium nitrite react to form 14.2 grams of nitrogen
What was the initial temperature of the Cu metal If the final temperature of the Cu-H 2 O mixture was at twenty five degree celsius? (The specific heat of copper = 0.377 J/(g°C).)
The standard Gibbs-free energy of a system is related to its equilibrium constant through the following equation.
Calculate the bubble point pressure at 30 degree celcius for a mixture that is 50/50 mole% ethanol and water given that P1(sat)=10.46 kPa and P2(sat)= 4.24kPa assuming that the margules equation
How much heat in Kilojoules must be removed from a glass of water that contains 100G if water to lower its temperature from 30C to 15C.
Each was extracted with three 5-mL aliquots of CCl4 containing an excess of 8-hydroxyquinoline. The extracts were diluted to 25 mL and their fluorescence was measured. What is the concentration of the zinc in the unknown solution?
A muon is an elementary particle with a negative charge equal to the charge of an electron and a mass approximately 200 times that of the mass of an electron.
What is the molarity of your HCl solution if it take 35.25 mL to reach the second equivalence point of a titration against 0.2225 grams of standard sodium carbonate?
How many grams of nitrogen dioxide (NO2) are required to produce 260 grams of nitrogen monoxide, NO?
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