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A mixture of gaseous oxygen and nitrogen is stored at atmospheric pressure in a 3.7 l iron conatianer maintained at constant temperture.After all the oxygen has reacted with the iron walls of the container to form solid iron oxide of negligible volume, the pressure is measured at 450 torr.Determine the final volume of nitrogen and the initial and final partial pressures of nitrogen and oxygen.
Use the angular overlap method to calculate the energies of both ligand and metal orbitals for trans {Cr(NH3)4Cl2}+, taking into account that ammonia is a strong sigma donor ligand than chloride , but chloride is a stronger pie donor. use the 1 an..
how many ml of 0.10 molar hcl would have to be added to 100ml of a saturated soln of pbcl2 in contact with 50.0 grams
heat is removed from 200.0 g of water with an initial temperature of 30.0°C? The specific heat of water is 4.184 J/gdeg.
the resulting solution exerts an osmotic pressure of 829 torr. what is the molar concentration of the solution? how many moles of solute are in the solution? what is the molar mass of the solute?
Why must the spot applied to a TLC plate be above the level of the developing solvent
The Kingston Steam Plant burns 14,000 tons of coal each day and generates 1010 kilowatts-hours of electricity each year (enough for 700,000 homes). Coal is primarily carbon which undergoes combustion in the following reaction
If you want to prepare a 0.5 M solution of ascorbic acid using 25.0 mL water, how many moles of ascorbic acid do you need. How many grams of ascorbic acid is this
Write balanced ionic equation, net ionic equation, oxidation half reaction and reduction half reaction when liquid sodium chloride is electrolyzed.
calculate the mass of c2h6o2 that must be added to 1.00 kg of ethanol c2h5ohto reduce its vapor pressure by 13.2 torr
If a temperature increase from 20.0 to 35.0 triples the rate constant for a reaction, what is the value of the activation barrier for the reaction?
An aqueous solution is 33.0% by mass methylamine (CH3NH2) and has a density of 0.85 g·cm-3. a) If 48.7 mL of this solution is diluted to 1009.0 mL, what is the pH of the resulting solution
Thyroxine, an important hormone that controls the rate of metabolism in the body, can be isolated from the thyroid gland. When 0.455g of Thyroxine is dissolve in 10.0g of benzene, the freezing point of the solutions depressed by 0.300C. What is th..
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