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Problem- An aqueous solution containing 6.0 g of a compound X in 120 mL is extracted three times with 20 mL portions of diethyl ether each time. Calculate the total amount of compound X that will be extracted by diethyl ether. Given Kdiethyl ether/water = 1.4
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In the decay series that starts with uranium-238, the first four steps consist of the emission of an alpha-particle, two beta-particles, and then another alpha-particle. What is the daughter isotope after the fourth emission
Explain which of the following will drive the equilibrium system to the right. The thermo chemical equation for the formation of ammonia from elemental nitrogen and hydrogen is as follows.
The vapor pressure of solid CO2 is 280 torr at -90 C and 105 torr at -100 C. What is teh value of delta G for the reaction CO2 s --> CO2 g at each temperature
what is the value of Kp for this reaction at this temp? what wold be the effect of an increase in pressure on the amount of SO_3 produced? what wold the effect of an increase in temp on the amount of SO_3 produced? (use relevant data from Appendix..
Based upon your experiences, suggest what would be the result if we heated a mixture of dichloromethane (bp 39-40 Celcius) and nappthalene (C10H8 with mp 80-82 degrees celcius and bp 218) to 60 degrees celcius
An electron in an excited state of a hydrogen atom emits two photons in succession, the first at 1817 nm and the second at 97.20 nm, to return to the ground state (n=1).
a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams
what antibiotic woiuld you put in an agar plate to ensure that the cells of a bacterial colony contain the plasmid withou an insert? c) which phenotype will indicate the presence of plasmids that contain human DNA fragments?
Methanol and sodium sulfate are by-products of synthesis of salicylic acid. during which step of the synthesis would these compounds have been separated from the final product? explain your answer based on any relevant properties of salicylic acid..
Write the two half-cell reactions. 2. determine E red for the the reaction involving Pd 3. Sketch the voltaic cell, label anode and cathode, and indicate the direction of electron flow
State the formulas of the three singly chlorinated isomers formed when 2, 2-dimethylbutane reacts with Cl2 in the presence of light.
Changes in atmospheric concentration of carbon dioxide during periods of artificial lighting (non-shaded) and darkness (indicated by grey shading). (b) Changes in oxygen concentration for a stand of soybean plants grown in a biomass chamber
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