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Dinitrogen pentoxide (N2O5) decomposes in chloroform as a solvent to yield NO2 and 02 . The decomposition is first order with a rate constant at 45 of 1x10^-5 s^-1. Calculate the partial pressure of O2 produced from 1.71 liters of .64 M N2O5 solution at 45 degrees C over a period of 24 hours if the gas is collected in an 11.5 L container, assuming that the products dont dissolve in chloroform.
Describe at least 4 methods that could be used to attempt to separate the oil and water at home. Based on the four methods postulate which method would work better than the others.
suppose 2.3754g of copper(II) sulfate pentahydrate is heated to drive off the water of crystallization. Calculate what weight of anhydrous salt will remain?
Calculate the equilibrium concentration of Cl2O(g) if 1.0 g of H2O(g) and 2.0 g of Cl2O(g) are mixed in a 1.0-liter flask.
Why can't i reduce carboxylic acid using sodium borohydride while lithium aluminium hydride can do the same thing.
What is the energy per photon of the lowest frequency of electromagnetic radiation that can be used to observe a gold atom with a diameter of 280 picometers.
What is the value of work (w) when a piston of volume 0.2 L expands against an external pressure of 200 kPa to a volume of 3.4 L?
A woman requires taking ibuprofen twice daily in 625mg amount. Each pill in the bottle is 250 mg then determine the number of pills the woman requires to consume each time she needs 625mg dosage
Name two amino acids that are mostly positively charged at neutral pH. A Lysine and arginine B Histidine and arginine C Cysteine
calculate the activation energy for diffusion for a system where the diffusion coefficient doubles its value from 700k to 1200k. R=8.314J/molk.
When gaseous nitrogen,hydrogen & ammonia are mixedin a closed vessel at room temperature no apparent change in the concetrations of regardless of the original amount of gases.
If 18.4 mL of 0.800 M HCl solution are needed to neutralize 5.00 rm mL of a household ammonia solution, what is the molar concentration of the ammonia?
A 643 mL gas sample at STP is compressed to a volume of 285 mL, and the temperature is increased to 26C. What is the new pressure of the gas in Pa? Answer in units of Pa.
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