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Altitude is 2200 m. Based solely on the scaling height of pressure with altitude, estimate the pressure. Express the answer in atm and Torr.
Estimate the dew point if at the surface it's 23 celcius and clouds overhead appear to be at analtitude of 500 m.
A certain sample was analyzed by proton NMR and found to consist of three isomeric lactones (lactone Ahas a boiling point of 173°C; lactone B has a boiling point of 143°C; lactone C has a boiling point of 185°C).
Example: Recovery of the reduced solution yielded a sorbitol syrup with a pyridine number of 83. Please help thank you.
Calculate the maximum non-expansion work that can be gained from the combustion of octane(l) and H2(g) on a per gram and per mole basis under standard conditions.
Why do acid- and base-catalyzed elimination reactions often result in a mixture of products? Be specific. Hint - there is more than one reason.
Calculate the value of each partition function. c) Use the TST to calculate the rate constant for the reaction D + H2à DH + H
If a 1.7 reaction vessel initially contains 730 of at 25 , what partial pressure of will be present in the vessel after 200 minutes?
Consider the reaction CH3Br(aq) + OH-(aq) ? CH3OH(aq) + Br-(aq). How would each of the following changes affect the rate of the forward reaction? a) addition of OH-? b) decrease in volume of the solution
Explain why rotation about N-Ca and Ca-C bonds is solely responsible for the secondary structure of a polypeptide
identify the following compound from its IR and proton NMR spectra. C5H6O: IR: 3300 (sharp), 2102, 1634 cm-1 NMR: ? 3.10 (1H, d, J = 1 Hz); ? 3.79 (3H, s); ? 4.52 (1H, doublet of doublets, J = 10 Hz and 1 Hz); ? 6.38 (1H, d, J = 10 Hz)
Did enzyme denaturing affect the active site? what amino acid residue in catalase would change by more basic PH
Calculate the molarity of an aqueous solution that is 5.20% by mass CaCl2, given that the density of the solution is 1.19 g/mL
25.0 mL of ethanol (density = 0.789 g/mL) initially at 5.4°C is mixed with 34.6 mL of water (density = 1.0 g/mL) initially at 25.3°C in an insulated beaker. Assuming that no heat is lost, what is the final temperature of the mixture?
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