What would be the net charge
At pH 4, histidine (pKs are α-carboxylate 1.8, α-amino 9.33, 6.04 imidazole)would have what charges on each functional group and what would be the net charge?
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the three naturally occurring isotopes of potassium are 39k, 38.963707u; 40k, 39.363999 u; and 41k. the percentage natural abundances of 39k and 41k are 93.2581% and 6.7302%, respectively. determine the isotopic mass of 41k.
You conduct an experiment where N2 is collected over water in a 2.66 L flask at 26.oC. At the conclusion of the experiment, the total pressure in the flask is 594. torr. What is the pressure of N2 in the flask?
Explain the "Asian Migration Hypothesis" as detailed in the text. According to this theory, how did natives gradually spread over the continent in subsequent migrations?
A loudspeaker of mass 16.0 is suspended a distance of = 2.00m below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of = 2.70 . What is the tension in each of the cables?
A gas sample was collected over water at 25.3 degrees Celsius, The total pressure is determined to be 0.97 atm. What is the partial pressure of the gas that was collected?
What do you think the best way for companies to deal with the pressure to lower prices? Do you think that there are instances where companies wont lower prices, even if it means not making as much of a profit?
A chair of weight 110 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 45.0 N directed at an angle of 34.0 degrees celsius below the horizontal and the chair slides along the floor. Using New
In a gas mixture, the partial pressures are argon 425 , neon 60 , and nitrogen 125. What is the total pressure exerted by the gas mixture?
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