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Acetylene has a pka of25. Calculate the Ka. The pka of phenol is 9.9. Which isthestronger acid: acetylene or phenol? Calculate the free energy ofionization of acetylene and phenol.
Estimate the overall charge on the following proteins at pH 3, 7, and 10. If a mixture of these three proteins were run on an IEF gel, what would the gel look like
Determine the range of fat you might expect to obtain if you extracted fat from ten grams of nutmeg (Dried, ground nutmeg typically contains between 20-25% fat by weight.) Assume that your extraction is 95% effective.
an ice bag containing 324 of ice at 0deg c was used to treat sore muscles. when the bag was removed the ice had melted
A saturated solution of Pb(IO3)2 in pure water has a lead ion concentration of 5.0 x 10-5 Molar. What is the Ksp value of Pb(IO3)2?
For the reaction 2N2O5(g) yields 4NO(g)+ O2(g) what is the decomposition of N2O5(g)
Which of the following ions is least likely to form colored compounds- a)Mn^2+ b)Cr^5+ c)Sc^3+ d)Fe^3+ e)Co^2+
Draw all the possible Newman projections of bromoethane. The rotational energy barrier about the C-C bond is 3.7kcal/mole. What is the energy cost of eclipsing a C-H and C-Br bond?
What NaCl concentration results when 214 mL of an 0.680 M NaCl solution is mixed with 592 mL of a 0.230 M NaCl solution
A brown colored salt contains a cation from Group 3 (Fe, Mn, Ni). It has no reaction with concentrated H2SO4 and produces a soluble product with acidic AgNO3 and acidic BaCl2. This salt is not water soluble. What is the chemical formula for this s..
Assume the total heat capacity of the air C air=30 J/K. Describe what's the likely ice will ne after the system reaches equilibrium. b) Estimate theliekly final temperature after reaching equilibrium
We did an experiment to isolate acetysalicylic acid from aspirin using methanol; our percent recovery was 17%. What would be several reasons that we got less than 100% recovered
Compute the atomic packing factor for cesium chloride assuming thatthe ions touch along the cube diagonals. Ionic radii ofCs+ and Cl- are 0.170 nm and 0.181 nm,respectively
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