How many liters of oxygen collected
How many liters of oxygen collected over H2O and measured at 27 degrees Celsius and 745.0 mm Hg can be prepared by decomposing 4.421 grams of gold (III) oxide? The vapor pressure of H2O at 27 degrees Celsius is 26.7 mm Hg.
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The enzyme, carbonic anhydrase, is a large zinc-containing protein with a molar mass of 3.00 × 104 g/mol. Zn is 0.218% by mass of the protein. How many zinc atoms does each carbonic anhydrase molecule contain?
A 10-cm outside diameter by 6-cm inside diameter steam line made of steel (k=14 W/m c) delivers superheated steam at 1000 C. the line is wrapped with 10 cm of insulation (k=0.16 W/m C) .
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What volume and amss of steam at 100 degrees C and 1.00 atm would release the same amount of energy during condensation at 100 cm3 of liquid water would release during freezing?
How many liters of oxygen collected over H2O and measured at 27 degrees Celsius and 745.0 mm Hg can be prepared by decomposing 4.421 grams of gold (III) oxide?
Calculate the concentration of a solution composed of 13.1 g od Ba(NO3)2 dissolved in 750 g of water.
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How would the MW value be affected if the gas was not pure butane C4H10 but 10 mole percent propane C3H8 and 90 mole percent butane C4H10?
Natural lithium is 92.58% lithium-7, with atomic weight 7.016, and 7.42% lithium-6, with atomic weight 6.015. What is the observed atomic weight of lithium as it occurs in nature?
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