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If you knew an electron transfer center in a protein had a reduction potential of -400 mV, what would be the most likely type for the electron transfer center? (a) Iron-sulfur center, (b) heme center, (c) blue copper center, (d) Rieske center. Briefly explain your choice.
Calculate the feed ratio of adipic acid and hexamethylene diamine that should be employed to obtain a polyamide of approximately 15,000 molecular weight at 99.5% conversion.
waters heat of fusion is 80. and its specific heat is 1.0 . some velomobile seats have been designed to hold ice packs
Determine the value of pH of given solutions that are (a) a solution that is 0.40 M CH3CO2H, (b) a 0.40 M CH3CO2H solution, (c) 0.20 M NaCH3CO2. And explain your answer too?
the solubility of o2g in water is 4.43 mg o2100 g h20 at 20 degree celsius when the gas pressure is maintained at 1
a mixture of 7.50 g he and 29.5 g ne has a pressure of 750. mm hg. what is the partial pressure of each of the
Calculate the Ka of an unknown monoprotic acid. When 15 mL of the acid was titrated with 28 mL of 0.15 M sodium hydroxide the equivalence point was reached at a pH of 8.48.
A total of 0.155 of this subunit was dissolved in enough water to produce 2.00 of solution. At 28 the osmotic pressure produced by the solution was 0.138 . What is the molar mass of the protein?
graph this phase change,with energy as a function of temperature.Do not assume that the eteam is an ideal gas. ?H fus=334.0 j/g ?H vapeur =2260 j/g Ch2o solid=2.11 j/g.k Ch2o liquid=4.18 j/g.k Ch2o gas=2.08 j/g.k a=5.464l62 bar/mol b=0.03049L/mol
How would I do that? I have a diagram for a trigonal bipyramidal crystal field and two values are on the diagram. There's a delta 0.19 and a delta 0.79.
A substance composed of which of the following molecules will have stronger intermolecular forces. CO2 or NO2
The enthalpy change for the reaction below at 25oC is -1,850 kJ (per mole of C9H20). What is the internal energy change for the reaction at 25oC
Life is dependent on four major classes of biomolecules. What are they. Why are they important
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