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1) What is the advantage of measuring the absorbance of a solution at lambda max wavelength?
2) Under what conditions would it be wise to measure the absorbance of a compound at a wavelength other than lambda max wavelength?
Question- A rigid vessel contains 2kg of saturated steam at 300C. Suppose that we remove 246 KJ of heat from the water inside the container and that there are no moving parts inside the container. What is the quality of the two-phase mix inside th..
the net atp yield for the complete oxidation of a single glucose molecule is 30 atp. phosphorolysis saves energy and
The Henry's Law constant for N2 gas in water at 25 oC is 0.00068 mol/L-atm. Calculate the solubility of N2 in water at 25 oC in moles/L if the partial pressure of N2 in the headspace above a water sample is 1.83 atm.
Identify each of the following statements as describing a chlorination reaction or a bromination reaction - The carbon-halogen bond dissociation energy is higher
Check your gas chromatogrm for the presence of compounds other than isopentyl acetate. Explain the presence of any additional
You are interested in making 1L of 75mM phosphate buffer pH 7.4. You have a starting solution of 1 M H2PO4- and a 0.5 M solution of HCL. Explain how you would make this buffer.
If the Km of the above enzyme is 12 mM, calculate the substrate concentration needed to achieve 40% of maximal velocity. Then what fraction of active sites are filled at 40% maximal velocity
2-hexanol was prepared by reacting an alkene with either hydroboration-oxidation or oxymercuration-reduction. Draw the structure of the alkene that was used to prepare the alcohol in highest yield.
Problem- The Ksp of magnesium fluoride is 6.4x10^-9. Calculate the solubility in grams per liter of magnesium fluoride in water.
Put the following elements in order of declining atomic radius- chlorine (Cl), lead (Pb), aluminum (Al), and fluorine (F). Level the atomic radius from largest to smallest. To rank items as equivalent, overlap them.
In synthesis os isopentyl acetate. according to le chatliers principle, one method for shifting an equilibrium reaction toward more product is to add more of one of the reactants ( acetic acid here.)
a solution of 2.50g of a compound having the empirical formula c6h5p in 25.0 g of benzene is observed to freeze at
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