What is the molar mass of the protein
A solution containing 29.50{mg} of an unknown protein per 20.0{mL} solution was found to have an osmotic pressure of 3.70{torr} at 24 degree Celsius. What is the molar mass of the protein?
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Why is it unwise to begin addition of the solution of methyl benzoate to the Grignard reagent before the latter has cooled to room temperature and then been placed in an ice-water bath?
The pKb of ammonia solution, NH3(aq) is 4.76. A buffer solution contains NH4Cl and NH3, has a pH of 9.45, and a total ammonia concentration (all forms) of 0.400 M. What is the concentration of NH4+?
A 420 N uniform rectangular sign 4.00 m wide and 3.00 m high is suspended from a horizontal, 6.00-m-long, uniform, 90-N rod as indicated in the figure below. The left end the rod is supported by a hinge and the right end is supported by a thin cab
What are the steps to writing a precipitate reaction with lead(II) nitrate and potassium chromate
How can a company like CarMax, which faces significant challenges during a recession, use the FAME method to communicate with its employees?
How do you write a spontaneous net redox reaction for a copper strip is placed in silver (I) acetat
A 44.2 L sample of a gaseous hydrocarbon, measured at 1.00 atm pressure and 25 C is burned in excess oxygen, liberating 2.55x10^3 kj of heat at constant pressure. What is the identity of the hydrocarbon?
How is the representing intellectual trend in the Qing period, the Evidential Studies, related to the Self-Strengthening Movement?
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