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Find the temperature capable of expanding 2.500 liters of chlorine at 18.00°C and 0.9000 atm to 5.200 liters. No change in pressure took place.
6Na+Fe2O3->3Na2O+ 2Fe. If you are provided 20.0 moles of sodium & excess iron (III) oxide, how many moles of iron would form?
Ethylene glycol, antifreeze, has a density of 1.11 g/cm^3.a. What is the mass, in grams, of 410 mL of ethylene glycol?
The zinc content of a 1.23 g ore sample was determined by dissolving the ore in HCl, which reacts with the zinc, and then neutralizing excess HCl with NaOH. Zn+2HCl-->ZnCl2+H2
What is the molarity of that forms when 20.0 of zinc completely reacts with according to the following reaction? Assume a final volume of 285 .
Calculate: A) mL of NaOH needed to reach the equivalence point B) pH of the solution before the addition of any NaOH C) pH of the solution after the addition of 15.0 mL of NaOH
A weather balloon at Earth's surface has a volume of 4 L at 285 K and 791 mmHg. If the balloon is released and the volume reaches 4.19 L at 711 mmHg.
A swimming pool contains 88,000 liters of water and it having a surface area of 5 meters by 10 meters. It is observed that when this swimming pool is heated by the Sun for six hours.
What mass of sucrose should be combined with 468 of water to make a solution with an osmotic pressure of 8.75 at 295 ? (Assume the density of the solution to be equal to the density of the solvent.)
Battery acid is 35% sulfuric acid in water and has a density of 1.29g/ml. What is the mass of sulfuric acid in 1.00L of battery acid?
A zero-order reaction has a constant rate of 3.50×10-4 M/rm s. If after 65.0 seconds the concentration has dropped to 1.00×10-2 M, what was the initial concentration?
What is the rate law for step 1 of this reaction? ((Express your answer in standard Mastering Chemistry notation.
A solution is prepared by mixing 500. mL of 0.10 M NaOCl and 500. mL of 0.20 M HOCl. What is the pH of this solution? [Ka(HOCl) = 3.2x10-8]
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