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Explain why are the themes in "The fall of the house of usher" so important? Prepare a research paper on this. What kind of information will you use to make 7 to 8 pages?
the following data was collected by a student performing the determining the specific heat capacity and molar heat
Calculate the pH at the equivalence point for titrating 0.250 solutions of each of the following bases with 0.250 M HBr
a mixture of methane and water vapor pressure is passed over a nickel catalyst at 1000k. the emerging gas is collected
25.00 ml of a .250 M NH3 solution is titrated with .100 M HCl. What is the pH after 5.00 ml of HCl has been added? Kb of NH3 = 1.76*10^-5. (please show all calculations)
Consult the spectrochemical series to determine which of the following species would absorb light of the shortest wavelength
Derive an expression for the instantaneous temperature as a function of the instantaneous pressure, and use it to sketch T/Ti vs P/Pi.
1. what physical and chemical properties can be measured using cyclic voltammetry.2. what factors influence the
Identify the lattice type and all symmetry operations that are indicated by the space group symbol for the orthorhombic pbc21. Describe each of these fully.
sodium nitrite nano2 reacted with 2-iodooctane to give a mixture of two constitutionally isomeric compounds of
The infrared spectrum of the xanthene reduction product contains evidence that demonstrates that conjugation of the rings is still maintained
The student then titrates the oxalic acid solution with her sodium hydroxide solution. When the titration reaches the equivalence point, the student finds she has used 0.1265 L of sodium hydroxide solution. Calculate the molarity of the student's ..
A 6.55mg/L solution of benzoic acid has an absorbance value of 0.621 at 230 nm in a 1.00cm cell. in units of M^-1*cm^-1, what is the molar absorptivity of benzoic acid at 230nm?
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