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How can electromigration be used as property for separation?
No of Pages/Words : 1 page
the molar mass of the compund is 92g/mol. what is the empirical formula and molecular formula of he compund?
The enthalpy of combustion for propane is -2044 kJ/mol. How many liters of propane (at STP) must be burned in order to convert 400 grams of ice initially at -9°C to liquid water at 84°C
It takes 7.21X10-19 J of energy to remove an electron from an iron atom. What is the maximum wavelength of light that can do this
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Sulfur has two solid forms - a (or rhombic) and b (or monoclinic). The standard enthalpies of combustion, in which the product is SO2, are -296.53 kJ/mol for S(s,a) and -296.86 kJ/mol for S(s,b). Find the standard reaction enthalpy for the process..
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A sample of an ideal gas at 1.00 atm and a volume of 1.38 L was placed in a weighted balloon and dropped into the ocean. As the sample descended, the water pressure compressed the balloon and reduced its volume.
Two identical balloons are filled with the same volume, one with air and one with helium. The next day the volume of the air-filled balloon has decreased by 4.5%, by what percent has the volume of the helium-filled balloon decreased?
A buffer contains 0.19 mol of propionic acid (C2H5COOH) and 0.22 mol of sodium propionate (C2H5COONA) in 1.20L. What is the pH of the buffer after the addition of 0.02 mol of HI
It takes 12 hours for half of the He in a container to leak out. If the same container is refilled with Ne, how long will it take for half of the Ne to leak out
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