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The third ionization energy of {rm Fe} is E_{rm i3} = +2952 kJ/mol What is the longest wavelength of light that could ionize Fe^(2+) to Fe^(3+)?
Determine how many grams of Hydrogen are required to form 14.01grams of Ammonia and calculate how many grams of ammonia could be formed
Ammonia has a melting point of 195 K and a normal boiling point of 240 K. At 225 K and 1atm, ammonia exists primarily as
How reliable is the perfect gas law in comparison with the van der Waals equation? Calculate the difference in pressure of 10.00g of CO2 confined to a volume of 100cm3 at 25 degrees Celsius between treating it as a perfect gas and a van der Waals ..
If 138 mL of wet H2 is collected over water at 24°C and a barometric pressure of 748 torr, how many grams of Zn have been consumed? (The vapor pressure of water is 22.38 torr at 24°C.)
A gas has a volume of 263 mL at 729 torr. What volume will the gas occupy at 368 torr if the temperature of the gas doesn't change?
The rate constant for a certain reaction is = 5.70×10-3 s^-1. If the initial reactant concentration was 0.650 M, what will the concentration be after 14.0 minutes.
a gas sample occupies 4.20 l under a pressure of 800 torr at 350K.At what temperature will it occupy 3.60 L at the same pressure?
How many kilograms of sodium carbonate must be added to neutralize 2.01×103 kg of sulfuric acid solution?
Ethylene glycol is used as automobile antifreeze. 6.38g og this compound contains 2.47g of carbon and 0.620g of hydrogen. The rest is oxygen. The molar mass is 62.0g/mole.
A 250.0-mL sample of ammonia, NH3(g), exerts a pressure of 833 torr at 42.4 C. What mass of ammonia is in the container?
How many grams of potassium nitrate are required to prepare 0.250 L of a 0.700 M solution?
You are developing a purification protocol for a new, uncharacterized protein. When you apply the resin to a gel filtration column, the protein elutes with the void volume. What is the problem?
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