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The pH of a 0.035 M solution of a weak acid, HX, is 4.25. Compute ka for HX as well as the percent ionization of HX in a 0.35 M solution
3 Suppose you added an additional 50 ml of water to a separatory funnel containing a compound distributed between 50 ml of ether and 50 ml of water.
If you won 1 mol of dollars the day you were born as well as spent 1billion dollars a second for the rest of your life, explain what percentage of the prize money would remain, if any, while you decide to retire from spending at 90 years of age
Write down a net ionic equation for any reaction that forms a precipitate and discover the anions that make gas upon adding of hydrochloric acid
When synthesizing aspirin in the lab((Mixed 2g salicylic acid, 5mL acetic anhydride, 5 drops concentrated sulfuric acid, added distilled water after heating)). What is the theoretical yield of aspirin since salicylic acid is the limiting reagent?(..
What is the key intermediate in the glycolysis pathway that diverges to ethanol in microorganisms. Why is the concentration of ethanol in wine typically 12% or less
A 250mL aerosol can at 25degrees C and 1.10 atm was thrown into an incinerator. While the temp in the can reached 625 degrees C, it exploded. Explain what was the pressure in the can just before it exploded assuming it reached the max pressure pos..
The smallest atoms can themselves exhibit quantum mechanical behavior. Calculate the de Broglie wavelength (in pm) of a hydrogen atom traveling 475 m/s
Determine the mass of copper that would release 438 J of heat while cooling from 284 degrees C to 25 degrees C
How much energy in kilojoules is required to convert 100 mL of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 g/mL.
A reaction has an activation energy of 195.0 kJ/mol. When the temperature is increased from 473.0K to 493.0K, what will the rate constant increase by a factor of
How many moles of Cl- are in 1.000 mL of the aqueous 2.500 molar HCl solution mentioned above. How many moles of H+ are in 1.000 mL of the aqueous 2.500 molar HCl solution mentioned above
How much of the cation that first precipitated remains when the second cation behind to precipitate. Would this fractional procedure be a good separation technique for these ions
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