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A 1.17-g sample of a mixture of cyclohexane (C6H12) and naphthalene (C10H8) is dissolved in 17.9 g of benzene (C6H6). The freezing point of the solution is 2.2°C. Calculate the mass percent of the mixture.Cyclohexane: ______%Naphthalene: ______%
The equilibrium constant, Kc, for the following reaction is 7.00E-5 at 673 k. Calculate Kp for this reaction at this temperature.
When 0.577 L of Ar at 1.20 atm and 227°C is mixed with 0.296 L of O2 at 501 torr and 127°C in a 400. mL flask at 27°C, what is the pressure in the flask
Determine what volume of HI, will be produced at the same temperature and pressure, If all the H2 and I2 are consumed?
A proton in a linear accelerator has a de Broglie wavelength of 138 pm. what is the speed of the proton?
Putting together titration lab to determine concentrations of calcium phosphate, citric & ascorbic acid
you are charged to do a study on the amount of intimate partner violence on a midwestern college campus. there are
The paint formerly used on some storage tanks contained aluminum powder, which reflected heat from the surface of the tanks. Why did experts recommend grounding these tanks
The condensate from a steam distillation contains 8g of an unknown compound and 18g of water. The mixture steam distilled at 98 C. What is the molecular weight of the unknown
The vapour pressure of a solvent is the amount of gaseous molecules over an open vessel of the solvent. A 50/50 mixture of benzene and toluene has 46.7 Torr of benzene and 13.5 Torr of toluene at STP. What is the pressure of air over this mixture
Constant pressure molar heat capacity of a compound is found to vary with temp, according to molar cp= 15.25 +.138* T--2.21*10^4/T^2 Calculate the enthalpy change when 1 mole of this compound
What is the volume of dry gas at STP of a gas collected over water that has a volume of 596 mL at 40 C and pressure of 101KPa
A 44 sample of water absorbs 329 of heat If the water was initially at 21.7, what is its final temperature.
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