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The decomposition of acetaldehyde is a second order reaction with a rate constant of 4.71 × 10-8 L/mol/s.
What is the instantaneous rate of decomposition of acetaldehyde in a solution with a concentration of 5.55 × 10-4 M?
Cheap soaps sometimes leave skin feeling/looking dry, and in some cases, raw and blistered. What might cause this effect
Problem- The absorption maximum for a complex ion occurs at 420 nm. Predict the color of the complex and calculate the crystal field splitting in KJ/mol.
The other plate was placed in a chamber containing hexane, and after developed it showed two spots, one with an Rf value of 0.54 and one with an Rf value of 0.37. Explain how this occurred
What is the pH of 0.549 M piperidinium iodide, C5H11NHI? The Kb of piperidine, C5H11N, is 1.3 x 10-3.
What volume of .01M HCL must be added to 20 ml of .04M phosphate buffer, pH 6.50, to reduce the pH to 5.5. pK of phosphate buffer is 7.20
what would happen to the pressure inside the container if you decrease the temperature to one fourth the original
Allyl sulfide, C6H10S, is a compound that has the odor of garlic. How many sulfur atoms are in 23.2 g of C6H10S?
How is concentration an intensive property? I mean if you add more amount of a substance(mass), the number of moles increase and so the concentration increases.
If the outermost electron in a potassium atom were excited to a 4d-orbital and then fell to the same orbitals, describe qualitatively how the emission spectrum would differ from that of hydrogen (do not do any calculations). Explain your answer.
What is the purpose of putting anti-freeze in your car radiator? (Anti-freeze is usually Ethylene glycol)
consider the following reaction. Mg+H3PO4 magnesium phosphate and hydrogen. what is the molecular formula for magnesium phosphate.
If 420 Joules are added to 20 grams of water to 30oC, what will be the final temperature of the water?
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