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what is the theoretical (or calculated) yield of NH4 Al (SO4)2 * 12 H2O formed from 1.872 g of Al(OH)3?Assume all other reagents are in excess. 2Al(OH)3 (s) + 3H2SO4 (aq) = Al2(SO4)3 (aq) + 6H2O (l) (a) Al2(SO4)3 (aq) + (NH4)2 SO4 (aq) + 24 H2O (l) = 2NH4Al (SO4)2 * 12H2O (s) (b)
How many grams of magnesium chloride must be dissolved in 568 g of water to give a solution that freezes at -2.38°C
Hydrogen is collected over water at .975 atm and 28 degrees Celsius. What is the partial pressure of H2?
Determine the molecular formula of the oxide of phosphorous when it is in its gaseous state.
Determine the energy change associated with these changes in state: a. 138g of steam condenses,b. 261mg of solid mercury melts,c. 8.36g of rubbing alcohol freezes d. 52g of liquid methane boils
A sample of 0.50 moles of O2 gas initially at 250K and a pressure of 1.0 atm is compressed to final pressure of 12 atm. The compression can occur via two different paths
What is the average speed of the sprinter if A sprinter set a high school record in track and field, running 200. M in 22.0s .express your answer in kilometers per hour?
A 10.00 mL sample of a solution of hydrofluoric acid,HF, is diluted to 500.00 mL. A 20.00 mL sample of the diluted solution requires 13.51 mL of a 0.1500 M NaOH solution to be titrated to the equivalence point.
Explain, phenomena in terms of atomic structure and behavior. When you lightly bump into a car, why does it dent and not create a hole.
Assume that the kinetic energy of a 1300 kg car moving at 105 km/h could be converted entirely into heat. What amount of water could be heated from 20.°C to 64°C by the car's energy?
If you have 200.0 mL of a 30.0% aqueous solution of isopropyl alcohol, what volume of water is in the solution?
What percentage of Phospine is decomposed after 1.25 min? c) How long will it take to decompose one fifth of the phosphine?
What is the value of Ksp for Ag2SO4 if 5.40 g is soluble in 1.00 L of water?
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