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Sucrose is a nonvolatile, non ionizing solute in water. Determine the vapor pressure lowering at 27C of a solution of 75g of sucrose dissolved in 180 g of water. Vapor pressure of pure water at 27C is 26.7 torr
At 2000C Kc is 2.4^3 for 2NO N2+O2, the initial concentration of NO is .170M what is the equilibrium concentration of NO?
Calculate the heat required to convert 50.0 g of C2CL3F3 from a liquid at 20.00 degrees celcius to a gas at 75.00 degrees celcius.
Calculate the grams of sloute required to perpare 750ml of a 7.5 x10-3 M from NiSO46H2O.
The atmospheric oxidation of nitrogen monoxide, 2 NO(g) +O2(g) 2NO2(g), was studied at some temperature withinitial pressures of 1.000 atm of NO and 1.000 atm ofO2. A tequilibrium PO2=.506 atm calculate Kp 2NO(g)+O2(g) 2NO2(g)
graph this phase change,with energy as a function of temperature.Do not assume that the eteam is an ideal gas. ?H fus=334.0 j/g ?H vapeur =2260 j/g Ch2o solid=2.11 j/g.k Ch2o liquid=4.18 j/g.k Ch2o gas=2.08 j/g.k a=5.464l62 bar/mol b=0.03049L/mol
Oxone is sometimes used in keeping swimming pool water clean. Describe using chemical reactions how Oxone keeps swiming pool water clean
calculate the concentrations of all species in a .890 m sodium sulfite solution. the ionization constants for sulfurous acid are ka1= 1.4x10^-2 and ka2=6.3x10^-8
Derive the general expression for the work per kilomole of a van der waals gas in expanding reversibly and at a constant temperature
Water molecules change their states between the liquid and gaseous states. A.only when water vapour is saturated B.at all times becauseevaporation and condensationoccur any time C
How many moles of oxygen gas are needed to completely react to produce 0.94 moles of sulfur trioxide?
A calorimeter containing 200.0 mL of water was calibrated by carrying out a reaction which released 15.6 kJ of heat. If the temperature rose 3.25 degrees celcius then the heat capacity of the calorimeter inclusing the water is?
what will the concentration be after 9.00 minutes? Part B A zero-order reaction has a constant rate of 1.30×10^?4 M/s. If after 60.0 seconds the concentration has dropped to 8.00×10^?2 M, what was the initial concentration?
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