What is the final temperature of the water-iron mixture
A 25.6 g sample of pure iron at 66°C is dropped into 65 g of water at 33°C. What is the final temperature of the water-iron mixture?
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Calculate the mass of nitrogen dissolved at room temperature in an 82.0 {rm L} home aquarium.Assume a total pressure of 1.0 {rm atm} and a mole fraction for nitrogen of 0.78.
Stock solution is prepared by adding 28 mL of 0.2 M Na3PO4 to enough water to make 76 mL. What is the PO43- concentration of 55 mL of the stock solution?
How many moles contain each of the following? 1.25 x 10^15 molecules CO2 3.59 x 10^21 formula units sodium nitrate
The total pressure in the system at equilibrium is 3.0 atm. A separate measurement shows that the mole fraction of O2 at equilibrium is 0.12. Calculate the partial pressure, in atm, of SO2 at equilibrium.
Acetylene gas undergoes combustion to produce carbon dioxide and water vapor. if 75.0 L of co2 are produced how many liters of acetylene are required?
How many grams of sodium fluoride (used in water fluoridation and manufacture of insecticides) are needed to form 485 g of sulfur tetrafluoride?
A reaction mechanism involving three steps is shown below. Identify all of the catalysts in the following mechanism.
If 153 mL of wet H2 is collected over water at 24°C and a barometric pressure of 729 torr, how many grams of Zn have been consumed? (The vapor pressure of water is 22.38 torr at 24°C.)
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