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Shown below are 1H-NMR spectra for two isomers of a compound with molecular formula C5H12O. Both compounds show strong and broad peaks at 3500 cm-1 in their IR spectrum. For each spectrum, provide the correct structure.
a) A particular chip snack food is composed of 11% protein, 10.% fat, and the rest carbohydrate. What percentage of the calorie content of this food is fat in%? b) How many grams of protein provide the same fuel value as 40. g of fat in g?
calculate the osmotic pressure of a magnesium citrate laxative solution containing 30.0 g of magnesium citrate in 251
Which of the following peptides has a pI close to 5.5? Assume that the pKa value of the alpha-amino group is 9.6 and the pKa for the alpha-carboxylate group is 2.3. A. Ser-His-Arg-Asn B. Val-Thr-Gln-Tyr C. Asn-Cys-Ala-Gly D. Arg-Ile-Asn-Arg E. Asp..
Explain what is the qty of heat evolved when 200 g H2O (liq) is formed from the combustion of H2 (g) and O2 (g)
A vanadium electrode is oxidized electrically. If the mass of the electrode decreases by 114mg during the passage of 650 coulombs, what is the oxidation state of the vanadium product
If 27.0 mL of 0.0200 M KMnO4 were required to titrate a 0.425 g sample of K3[Fe(C2O4)3] * 3H2O, what is the % purity of the complex
gasohol is a mixture of 90 gasoline and 10 ethanolch3 ch2 oh. ethanol is considered anenviornmentally friendly fuel
a solution that contains 55.0 g ascorbic acid vitamin c in 250 g of water freezes at - 2.34 oc. calculate the molar
Question- When 0.298 moles of B completely reacts according to the reaction above, 49.9 kJ of energy is released. What is the pH for the reaction as written above
question consider the following reactioncog2h2glt-gtch3ohgan equilibrium mixture of this reaction at a certain
provide the newman projections across the c2-c3 bonds for the major conformers after drawing the zig-zag structures of
For the reaction, A(g) + B(g) => AB(g), the rate is 0.579 mol/L.s when the initial concentrations of both A and B are 2.00 mol/L. If the reaction is first order in A and second order in B, what is the rate when the initial concentration of A = 2.3..
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