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1. Which of the following statements regarding Lipid is NOT true?
a) Lipids are soluble in non-polar organic solventsb) All lipids have the same functional groupsc) Lipids include waxes, steroids, and triacylglycerolsd) Lipids have little in common except their solubilitye) Many lipids have biological roles
2. Sucrose reacts with which of these reagents:a) Cu+2 b) H3O+ c) Ag(NH3)2+ d) C6H5NHNH2 e) Br2/H2O
3. A "conjugated protein" is one whicha) possesses catalytic propertiesb) is a digestive enzymec) exists largely as an α-helixd) contains unsaturated amino acidse) contains a nonprotein group as part of the molecule
The combustion of carbon with excess oxygen forming carbon dioxide is exothermic. C(s) + O2(g) => CO2(g) ?Hrxn = -393 kJ If 8,622kJ of heat is needed from the combustion, how much carbon (g) must be consumed
On a mission to a newly discovered planet, an astronaut finds chlorine abundances of 13.85% for 35Cl and 86.15% for 37Cl . What is the atomic mass of chlorine for this location. The mass of 35Cl is 34.97 amu. The mass of 37Cl is 36.97 amu.
One approach to the synthesis of virstatin is shown above. An SN2 reaction of an anionic imide nucleophile (formed by deprotonation of1) with an alkyl halide electrophile 2 affords virstatin ethyl ester 3 Base-inducedhydrolysis
What mass of solid sodium formate (of MW 68.01)must be added to 115 mL of 0.57 mol/L formic acid (HCOOH) to make a buffer solution having a pH of 4.16? Ka = 0.00018 for HCOOH.
Calculate the amount of 6M NaOH required to react completely with 1.51 grams of Methyl Salicylate. How much of the 6M NaOH that you used was in excess of the theoretical amount?
Consider the following exothermic reaction: C2H4 (g) + Cl2 (g) C2H4Cl2 (g) If you were a chemist trying to maximize the amount of C2H4Cl2 produced, which of the following might you try?
Calculate the heat of reaction for the same reaction where water is a gaseous product instead of a liquid.
Calculate the number of molecules of the compound and the number of atoms of each of the elements in 6.03 moles of P4O10.
Draw the resonance contributors of pyrrole and the cyclopentadienyl anion to demonstrate that all atoms are sp2 hybridized.
Calculate the concentration in ppm of a pollutant that has been measured at 450 mg per 150 kg of sample.
Assuming efficiency of 26.70 %, calculate the actual yield of magnesium nitrate formed 139.4 g of magnesium and excess copper (II) nitrate. Mg + Cu(NO3)2 -> Mg (NO3)2 + Cu
The density of carbon in the form of diamonds is 3.51 g/cm^3. If you have a 40-carat spherical diamond, what is the diameter of the diamond in millimeters?
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