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Ocean water typically contains approximately 35 moles of salt ions dissolved in each 1000 moles of water. Assuming that ocean water has the same density as pure water, use this ratio to determine the molarity of the solution and then calculate the osmotic pressure between ocean water and pure water at 25 C.
A system at equilibrium contains I2 (g) at a pressure of 0.41 atm and I (g) at a pressure of 0.32 atm. The system is then compressed to half its volume.
What is the theoretical yield of ammonia in grams that can be prepared from 41.0 g of nitrogen and excess hydrogen
Using the thermodynamic cycle in the tight binding KNI-764/HIV-1 protease example discussed in class, derive the Kapp= KKNI-764/(1+KAc-pepstatin[AcPepstatin]) for the apparent affinity constant (Kapp) for the competition assay between the weak (Ac..
In a butane lighter, 9.8 of butane combines with 35.1 of oxygen to form 29.6 carbon dioxide and how many grams of water.
If an unknown acid was imcompletely extracted from the ether solution into the aqueous layer in this experiment, would the experimentally measured melting point value of benzophenone be affected? Why or why not
The active ingredient in acetylsaliclic acid was isolated. What does it mean is my experimental melting point range was very broad and was also lower than the literature melting point
Explain why is it necessary to add an acid catalyst such as HCl or sulfuric acid while there is already a carboxylic acid present
Glycerol esterified with three fatty acids is called a sphingolipid d. Waxes are esters of long-chain alcohol and long-chain fatty acid e the short hand notation for fatty acid
Describe a simple and practical way to make 1.00L of this buffer solution, assuming 1.0 M solution of the molecular base is available and that the chloride salt of the conjugate acid is available as a SOLID.
A water sample was taken from a lake. A 100.00mL portion of this sample was pipetted into a 250mL Erlenmeyer flask. EriochromeBlack T-indicator, sodium cyanide, and ammonia buffer
Critically evaluate the procedure used in this experiment as a quantitative technique for the analysis of copper (II) ion. Suggest sources of errors and ways of minimizing the error
100g of water (specific heat=4.184 J/g*C) and 100g of a metal sample (specific heat=0.397 J/g*C) are heated from 25 degrees celcius to 75 degrees celcius. Which substance required more thermal energy to reach 75 degrees celcius?
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