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A liguid stream in a refinery contains 0.20 mol propane/mol, 0.30 mol butane/mol and 0.50 mole pentane/mol. If the flow rate of the propane is 75 mol/min, what are the flow rates of the butane and pentane
Consider the bronsted-lowry reactions taking place in these solutions. Indicate the type of Bronsted-Lowry species that characterizes the acid-base chemistry of the referenced solution.
Calculate the approximate molarity of this solution from the volume, percent composition, and density.
gaseous mixture of 2.34 kg of silane, Sih4 and 55.4 kg of Argon. Determine the mole fraction of silane
must be added to obtain iced tea at 11.5 C? The specific heat of the tea is 4.18 J/(g*C), and delta H for ice is +6.01 KJ/mol.
What is the mol fraction Na2SO4 in a solution which is 11.5% by weight Na2SO4 (molar mass Na2SO4 = 142.06 g/mol and H2O = 18.016 g/mol)?
When separating a solid-solid mixture in lab, do the melting points of the two components have to be 30 degrees apart, like with boiling points, to be considered pure, or is it a different range?
The boiling point of a solution containing 10.44 g of an unknown nonelectrolyte in 50.00 g of acetic acid is 159.2°C. What is the molar mass of the solute?
how many days does it take for 16g of palladium-103 to decay to 1.0g? the half life of palladium -103 is 17days
Calculate the molarity of a solution of glycerol made by dissolving 53.000 mL glycerol at 15 'C in enough water to make 270.00 mL of solution.
Calculate the pH of a buffer solution composed of 0.10 M butyric acid (CH3(CH2)2COOH, Ka = 1.5 x 1-^-5) and 0.20 M sodium butyrate, (NaCH3(CH2)2COO).
What is the probability of locating an electron between x = 0 and x = 0.2 nm in its lowest energy state in a conjugated polyene molecule
Draw a mechanism to demonstrate how pyridine catalyzes the hydrolysis of acetic anhydride to two molecule of acetic acid. Is this reaction reversible? why or why not?
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