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determine the pressure in a 125-L tank containing 56.2 kg of oxygen gas at 21.0 oC
Discuss what you would observe after elution and visualization of a TLC plate having made the following mistakes in carrying out the analysis. Conceptual Organic chemistry
Determine the percent yield of barium sulfate If the actual yield = 0.456 grams?
how many moles of gas are there in a 45.0 l container at 25.0 degress celcius and 500.0 mm hg
What is the molality of CrCl3 in a solution prepared by dissolving 75.2 g chromium(III) chloride hexahydrate in 250.0 g of water.
ICE Problem: Calculate Final Concentrations, Phosgene, COCl2 (g), is an extremely toxic gas. It was used during World War I. Today it is used to manufacture pesticides, pharmaceuticals, dyes, and polymers. It is prepared by mixing carbon monoxide ..
when a 50.0-g nugget of pure gold is heated from 35.0 C to 50.o C, it absorbed 5200.0J of energy. find the specific heat of gold.
Give explanation why the boiling point of a 2-component mixture increase slowly throughout a simple distillation while the boiling point differences are not large?
Explain the structure of the main mononitration product(s) of 3 bromo 1 nitrobenzen?
A 1-ft-diameter cylinder is closed on one end and fitted with a moveable piston on the other. With 1 atm applied pressure, the piston is located 20 ft from the closed end
Given the unbalanced equation: Ag2CO3 ® Ag + O2 + CO2, how many moles of Ag can be produced from 2.5 moles of Ag2CO3.
The reaction of calcium hydride with water can be used to prepare small quantities of hydrogen gas, as is done to fill weather observation balloons.
On average, cow milk is 4.7%(w/w) lactose. The molecular weight of this disaccharide is 342.3g C12H22011. Assuming milk has the density of water.
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