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A process occurs spontaneously and DSsystem < 0. Which statement below must be true?DSsurroundings > 0DSuniverse > 0The pressure is constant.Both (a) and (b) are correct.All of these answers are correct.
Chromatography in the presence of 6 M guanidine hydrochloride and 10mM 2-mercaptoethanol yields peaks of Mr 34000 and 26000. Explain what can be determined about the structure of this protein from this data.
On the coldest day of last year, what was the temperature at the bottom of Lake Michigan? explain your answer in terms of the density of water.
Calculate the pH of a 1.39x10^-2 M solution of the decongestant ephedrine hydrochloride if the pKb of ephedrine (its conjugate base) is 3.86
Octane has a density of 0.692 g/mL at 20 degrees Celsius. How many grams of O2 are required to burn 1.00 gal of C8H18?
Trimethylamine (CH3)3N is a substance responsible in part for the smell of fish. it has a boiling point of 3.5 degrees c and a molecular weight of 59.1.
How many Valence electrons does a balanced atom of Sodium have? What is the net charge on each ion?
Addition to double bonds, oxidation of double bonds - Draw the structure/structures for the major organic product/products formed when 1-methylcyclohexene reacts
The gas inside a flexible container (e.g., a balloon) is allowed to expand against a constant external pressure of 1.3 bar until the volume increases from 2.7 L to 10.5 L. Calculate the amount of work done on the system.
Given the concentration of either hydrogen ion or hydroxide ion, use the ion product constant of water to calculate the concentration of the other ion at 298K.
What is the concentration of each ion in a solution formed by mixing 44.0 mL of 0.100 M Na2SO4 and 25.0 mL of 0.150 M KCl?
The solubility of CaSO4 in pure water at 0oC is 1.13 gram(s) per liter. What is the value of the solubility product.
at 350 degrees celcius and 200 atm the % yield is 50%. Calculate how many grams of N gas are required to produce 25.000g Ammonia
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