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Write the equation for the conversion of the fatty acid linoleic acid [CH3-(CH2)4-CH=CH-CH2-CH=CH(CH2)7-COOH] into its methyl ester.
Fatty acids are soluble in solvants such as petroleum ether, but the salts of fatty acids are not. Explain this observation. What is another name for a salt of a fatty acid
For a particular process that is carried out at constant pressure, q= 130 kJ and w= -20 kJ. Therefore,
Use the octet rule to predict the formula of the simplest compound formed from hydrogen and selenium. Why
If 100.0 g of water is warmed from 20.0*C to 35.0*C, what quantity of energy has been transferred to heat the water? (the specific heat capacity of water is 4.184 J/g*C)
In covalent bond formation, electron sharing occurs between elements with relatively low EA and low IE. Please explain the answer as well.
How many liters of water are required to dissolve 5.55 grams of KOH and make a solution with a pH of 11.63
raising the total pressure from P0 (the initial air pressure) to P1 (the total final pressure of H2(g) + air).Compose an algebraic expression for the volume (V2) that this sample of H2(g) would occupy
Which of the following pairs of molecules is listed in order of DECREASING net dipole moment from more polar molecule to less polar molecule
The pKb values for the dibasic base B are pKb1 = 2.1 and pKb2 = 7.8. Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.60 M B(aq) with 0.60 M HCl(aq).
The Born-Haber cycle is a series of steps that represent the formation of an ionic compound from a metal and a nonmetal. For example, the steps in a Born-Haber cycle for the formation of NaCl(s) con
Draw the product of the following reaction between a ketone and an alcohol. H3C--CO--CH3 + HO--CH2--CH3 ---H+--> how would you classify the product of the reaction? -alcohol -ketone -hemiacetal -
Calculate the molar solubility of calcium oxalate, CaC2O4, in a solution that has been buffered so that the pH is constant and equal to 4.00. The solubility product for calcum oxalate is 1.7 x 10-9.
Marshmallow burnt is 0.70 g, mass of the water 39.9, and delta change is 12C 2. Peanut burnt is 0.5 g, mass of the water is 42.6 g, and the delta change is 12C. 3. Popcorn is 0 g burnt, mass of the
Determine the changes in entropy (of the system, the surroundings, and the universe) for each step of the cycle and the cycle overall. Evaluate the maximum efficiency of the engine, assuming that the
A 50.00 mL sample of the solution (1L of 0.01000M solution requires 2.14g of potassium iodate), mixed with 2 g of potassium iodide and 10.00 mL of H2SO4 , is fully titrated with 38.50 mL of sodium t
The following compounds are dissolved in 1.00 L of water: 0.180 mol HA (Ka = 1.36 x 10-3), 0.020 mol NaA, 0.08 mol HNO3, and 0.08 mol Ca(OH)2 (strong base). What is the pH of the resulting solution
Prepare 2.0 L of 0.02 M acetic acid from 4.0 M acetic acid and nanopure water. How many L or mL do you need to make this
How many liters of water are required to dilute 6.23mL of 12.2M HClO4 to make a solution with a pH of 2.34? Write your answer as 1.2E1L
Determine the activation energy for diffusing copper into gold if you know that the diffusion coefficient is 3.98 x 10-13 m2/s at 980 oC and the diffusion coefficient is 3.55 x 10-16 m2/s at 650oC.
How high must a waterfall be for the water temperature to be 1.0 K warmer at the bottom than at the top?
What is the pH of a solution made by dissolving 0.052 grams of RbOH in enough water to make 64.9 mL of solution
The zinc within a copper-plated penny will dissolve in hydrochloric acid if the copper coating is filed down in several spots (so that the hydrochloric acid can get to the zinc). The reaction betwee
Identify the reaction as precipitation, acid-base, oxidation-reduction and/or gas forming. What is the concentration of the unknown solution
How many grams of solid barium sulfate form when 18.6 mL of 0.160 M barium chloride reacts with 65.1 mL of 0.055 M sodium sulfate? Aqueous sodium chloride is the other product.