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The log P value for nicotine is 1.09. If 20 mL of 0.10 g/mL nicotine solution in water is extracted with 20 mL of octanol, how much nicotine is removed from the water layer into the octanol layer? If the same water solution is extracted with (2 x 10 mL) of octanol, how much nicotine is removed from the water layer? Both methods employ a total of 20 mL octanol for the extraction, but are they equally effective for removing nicotine from a water solution? Which method is more effective?
Calculate: A) mL of NaOH needed to reach the equivalence point B) pH of the solution before the addition of any NaOH C) pH of the solution after the addition of 15.0 mL of NaOH
The cytochrome b complexes of the mitochondrion and the chloroplast have similar organization and function. They each pass electrons from a reduced quinone to a peripheral membrane protein
A beaker with 115 of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 . A student adds 9.00 of a 0.430 solution to the beaker. How much will the pH change? The ..
What is the percent yield of a reaction in which 260. g phosphorus trichloride reacts with excess water to form aqueous phosphorus acid (H3PO3) and 127 g HCl?
Calculate the amount of mass in nano gram that is changed into energy when one mole of liquid water forms by combustion of hydrogen
Use the van der Waals equation of state to calculate the pressure of 4.00 mol of NH3 at 455 K in a 5.90-L vessel.
The atmospheric pressure in the room when the measurement was made was 628 mmHg and the temperature was 36.0 degrees C. What is the density of the gas?
Magnesium oxide decomposes into magnesium and oxygen. If 12.09 of magnesium oxide decomposes to form 7.29 of magnesium, what mass of oxygen gas is also released in the reaction?
30.3 g of chromium(III) oxide reacts with 10.8 g of aluminum to produce chromium and aluminum oxide. If 20.7 g of chromium is produced, what mass of aluminum oxide is produced?
Write and balance the given chemical equation and Write a balanced equation for this reaction
A solution is prepared by dissolving 3.65 g of an unknown nonelectrolyte in 15.00 g of cylcohexane (tf = 6.6 oC and kf = 20.0 oC/m).
Compare this temperature with the true boiling point of N2. The boiling temperature is the temperature at which the areas under the two van der Waals loops are equal. In order to solve the problem
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