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What are the best ways to learn the pathways for biochemistry?
How many grams of NaOH are in a 225.0 mL sample of a 2.5 M solution of NaOH? (Molar mass of NaOH is 40.0 g/mol)
You wish to prepare an HC2H3O2 buffer with a pH of 5.44. If the pKa of this is 4.74, what ratio of C2H3O2-/HC2H3O2 must you use. Calculate the pH of a buffer that is 0.058 M HF and 0.058 M LiF.
When 0.2250 g Mg was heated with 0.5331 g N2 gas, all the Mg was consumed forming 0.3114 g Mg3N2.What mass of N2 is left over ?
The standard enthalpies of combustion for ethanol and dimethyl ether are -1367kJ mol-1 and -1460kJ mol-1, respectively, at 298K. what is delta U at 298K for the purposes below:
Oftern solutions can be hazardous in ways that are not necessarily related to ther acidity of basicity. Briefly comment on the hazards that you need to be aware ofwhen working with
Devise a synthesis of the ketone 3-hexanone, CH3CH2COCH2CH2CH3, from CH3CH2Br as the only organic starting material; that is, all the carbon atoms in 3-hexanone must come from CH3CH2Br
If four moles of sodium sulfate are dissolved in water how many moles of sodium ions would be in solution?
Using the following data, calculate the pressure of 1.00mol of Ar(g) in a 40.0L container at 25 degrees Celcius using both the ideal gas equation and the real gas equation. Why are these two values so different? (aAr=136.3L2kPa mol-2; bAr=0.0322L ..
Suppose that a certain biologically important reaction is quite slow at physiological temperature (37 degrees C ) in the absence of a catalyst.
Write down a reaction scheme for polymerization of styrene (CH2=CHPh) initiated by thermolysis of azobisisobutyronitrile (AIBN), including both combination and disproportionation as possible modes of termination.A sample of polystyrene prepared by bu..
which of the following reactions are redox reactions? for those reactions that are redox reactions identify the
Problem- If the 8 hour Time Weighted Average exposure are determined by charcoal tube sampling to be 60ppm toluene, 20ppm methylene chloride, and 20 ppm turpentine, using OSHA's personel exposure limits, has there been an over exposure
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