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a) Calculate the volume occupied 1.50g 7.00g of O2 and Cl2 react when mixed without exerting a pressure 482atm to 22 degrees Celsius.
b) The Goodyear blimp contains 5.12 x 106 liters of helium at 25 degrees celsius and 1.00atm. Calculate the density of helium, g / L.
Maleic acid contains 41.4% carbon, 3.47% hydrogen, and 55.1% oxygen by mass. A 0.030-mol sample of this compound weighs 2.61 g.
A sample of hydrogen gas is mixed with oxygen gas. The mixture has a total pressure of 820 torr and the oxygen gas has a partial pressure of 32 torr. What is the partial pressure of the hydrogen gas
Calculate change in E, q, w, and change in H and the final temp if the expansion is carried out according to each of the following paths:
aqueous HF and treated with nitron solution to precipitate a mixture of nitron tetrfluoroborate and nitron nitrate weighing 1.322 g. Find the weight percent of Mg in the original mixture.
Ferrocene eluted from the column first and acetylferrocene second, but ferrocene ended up as the higher of the two spots during TLC analysis. Explain.
What is the maximum mass of aluminum chloride that can be formed when reacting 15.0 of aluminum with 20.0 of chlorine
You have a 48.9 g sample of water at the temperature of -60.0 degrees celcius. How much energy is required to: a) heat the ice to 0 degrees celcius
calculate the molarity of an aqueous NaOH solution if 32 mL of it is required to titrate .6789 grams of oxalic acid to a phenolphthalein end point.
A tablet containing 500.0 mg of aspirin (acetylsalicylic acid or HC9H7O4) was dissolved in enough water to make 100 mL of solution. Given that Ka = 3.0 × 10-4 for aspirin, what is the pH of the solution
when taking a tlc plate and recording the Rf values what must you always write down in order for someone else to be able to reproduce your work
draw a sheme o both reactions inlcuding structures and names of all possible products of monosubustitution only. Choose one reaction and provide appropriate mechanism including all resonance strucutres.
An oxygen tank contains oxygen at a pressure of 70 kPa. When the pressure drops to 36 kPa, the temperature increases from 300 K to 350 K. If the initial volume is 9 L, what is the final volume?
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