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Question - 4Fe(s) + 3O2(g) --> 2Fe2O3(s)
Calculate the energy released by the reaction when a 55.8 g sample of iron reacts completely with 1.00 mole of oxygen. The enthalpy of formation of Fe2O3(s) is -826. kJ*mol-1
I am not able to determine the correct answer for the above question please helps me to get the correct answer
What is the concentration (in mg/L) of dissolved O2 in blood (or water) at this partial pressure and a normal body temp of 37 C? The solubility of O2 in water at 37 C and 1 atm partial pressure is 1.93 x 10^-3 mol/L.
Washing soda is often added to detergent formulations to make the wash water more basic. What is the formula of the NONHYDRATED form of washing soda? Does it increase or decreased the pH of the wash water?
You tested Lysol cleaner in the lab with the FeCl3 reagent. A definite color change was observed. What conclusion can you make about the Lysol
How many ml of 2.00M H2SO4 are required to neutralize 50.0mL of 1.00M KOH?
How much more soluble is AgCl in 1 Molar NH3 than in water?
Calculate the molarity of an NH3 solution made up of 37.5 g of NH3 in 70.0 g of water. The density of the solution is 0.982 g/mL
What types of intermolecular forces would you expect to exist among molecules of 1-butanol?
what would happen to the pressure inside the container if you decrease the temperature to one fourth the original
Steam at 3MPa and 300oC exits a boiler and goes into a high pressure turbine in which it is expanded to 300kPa. The steam is then sent back to the boiler (constant pressure heat exchanger) and reheated to 300oC.
Describe a common buffer system and elution method in ion exchange chromatography. What are the salt ions in the elution buffer good for
What is the final temperature (in oC) of a 37.6 g sample of graphite (specific heat = 0.720 J/(g K)) which absorbs 9.82 kJ of heat when it warms from 12.56oC
express the work of isothermal reversible expansion of a van der waals gas in reduced variables and find a definition of reduced work that makes the overall expression independent of the identity of the gas.
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