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5.00g of Fe2O3 reacts with an excess of HCl to make FeCl3 and H2O. How many grams of FeCl3 can i make if the reaction is only 70% efficient?
What is the [H+] of a solution prepared by mixing 100 ml of 0.1 M acetic acid and 50 ml of 0.1 N NaOH
Polyunsaturated fatty acids (PUFAs) have several carbon-carbon double bonds as present in beta-carotene
Calculate pCd2 at each of the following points in the titration of 45.00 mL of 0.0070 M Cd2 with 0.0070 M EDTA in the presence of the auxiliary complexing agent NH3.
What is the maximum wavelength of light capable of doing this? 574 nm Check the number of significant figures.
What observed rotation is expected when a 1.06 M solution of (R)-2-butanol is mixed with an equal volume of a 0.530 M solution of racemic 2-butanol,
calculate the velocity of electrons emitted from molecules in which the binding energies are 10ev, 100ev, and 500ev
Arrange the following compounds by boiling point: 1-pentanol hexane 1-pentanamine butyl methyl ether
a 10.0l container of helium gas with a presure of 250mmhg at 0 degrees celsius is heated to give a pressure of
A steel tank with a volume of 9.583 L contains N2 gas under a pressure of 4.972 atm at 31.8 °C. Calculate the number of moles of N2 in the tank.
Identify the most stable arrangement of the regions of high electron density. Diagram and name the type of structure that the molecules has based on positions of the atoms.
write a complete and balanced molecular equation and identify the precipitate that forms when aqueous solutions NaOH and Cu(NO3)2 are mixed and identify all phases.
If a protein sample has a molar mass of approximately 14,000 u, what is the expected freezing point depression when 1.00g is dissolved in 50.0mL of distilled water
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