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The density of magnesium is 1.7 g/cm3, and the density of iron is 7.9 g/cm3. Consider a block of iron with a mass of 819 g. What is the mass of a block of magnesium that has the same volume as the block of iron?
In an equilibrium mixture the partial pressures of SO2 and O2 are 0.165 atm and 0.755 atm, respectively. What is the equilibrium partial pressure of SO3 in the mixture?
hydrogen chloride gas is shipped in a container under 5.000 mm hg pressure that occupies 20 liters at 30 celcius how many liters of gas would be produced at stp?
What is the structure for hexadecanol? What would explain why it is a solid, rather than a liquid?
In a gas mixture, the partial pressures are nitrogen 0.559 ATM, oxygen 115 torr, and helium 0.296 mm Hg. What is the total pressure (in torr) exerted by the gas mixture
Calculate the pH of a solution made by adding 51 g of sodium acetate, NaCH3COO, to 18 g of acetic acid, CH3COOH, and dissolving in water to make 700. mL of solution. Hint given in feedback.
What is the reducing agent and what has been reduced? What quantity of iodine can be obtained if 20.0g of NaI is mixed with 10.0g of MnO2 ( and a stoichiometric excess of sulfuric acid)
(a) How many moles of potassium ions are in 272 g alum. (b) What is the mass % S in alum (to 3 significant figures). (c) What is the maximum amount of alum (in metric tons) that can be prepared from 16.7 metric tons of scrap aluminum (1 metric ton..
the piston of an internal combustion engine compresses 434 ml of gas. the final pressure is 15 times greater than the
A 91 gram solution of silver nitrate contains 8 grams of AgNO3. What is the percent by mass of silver nitrate in this solution.
Calculate the freezing point of a solution of 23.4562g of sucrose, C12H24O12, dissolved in 55.000g of water? for water kf=1.853(degreesC/m)
suppose 7.70g of methane is mixed with 54.7g of oxygen . Calculate the maximum mass of water that could be produced by the chemical reaction
Why do you suspect that 1-propanol is used as the reaction solvent (Base-Catalyzed Dehydrochlorination of 2-Chloro-2-methylbutane), rather than the more common ethanol
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