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Cyclohexane can be used as a solvent for freezing point depression measurements. When 1.07 g of naphthalene (MW = 128.17 g/mol) is mixed with 51.29 g of cyclohexane, the freezing point of the resulting solution is 3.29 °C. The freezing point of pure cyclohexane is 6.54 °C.
The freezing point depression of the solution is Blank 1°C ________ (2 dec places).
The molal freezing point depression constant for cyclohexane is Blank 2_________ °C/m (1 dec place).
How many moles of bromine trifluoride are needed to react completely with 9.68 moles of titanium (IV) oxide?
Compare the pH vs volume curve for HCL and acetic acid. discuss any difference in the shape of the curves. Compare theese two curves to one of the curves prepared for the unknow
Determine the partial pressure. Calculate the total pressure and volume in liters at STP of Nitrogen, Helium and Neon mixture.
Suppose that 0.92 of water condenses on a 85.0 block of iron that is initially at 22. If the heat released during condensation goes only to warming the iron block, what is the final temperature (in ) of the iron block? (Assume a constant enthalpy ..
The vapor pressure of CCl4 (MM = 153.81g/mol) at 65 degree celsius is 504mmHg. How many grams of C10H8 (MM= 128.2gmol) must be added to 25.00g of CC4 so that the vapor pressure of CCl4 is 483mmHg?
How many kilograms of sodium fluoride would be needed to treat an 8.25x10^7 gal reservior?
A soln. of HCl has a specific gravity of 1.120 and contains 23.81% HCl by wt. How many grams and how many milliequivalents of HCl are present in each milliliter of the soln.?
calculate avaerage rate of decomposition of H2O2 between 0 & 4.32 x 10^4 s.
a solution of cyclohexane and an unknown solute freezes at 3.3c and 1atm of pressure. calculate the freezing point depresson of the solution
What is the mass of water in 1m^3 in air having a termperature of 32C and relative humidity
The reaction for the decomposition of dinitrogen pentoxide to form nitrogen dioxide and oxygen gas has the rate constant 1.7 x 10-3 s-1. This is a first order reaction.
what is the energy difference between the heats of formation you calculated for carbocation A and B?
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