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A compound is 40% C 6.70% H and 53.3% O by mass. the molecular formula of this compound is 60 amu, what are the subscripts of C, H, O
The experiment done was the synthesis of p-chlorophenoxyacetic acid. I have lab questions that I am unsure how to do. Please help. 1. How many moles of p-chlorophenoxyacetic acid should form in this reaction?
Suppose that you are climbing a high mountain and the oxygen partial pressure in the air is reduced to 75 torr. Estimate the percentage of the oxygen carrying capacity that will be utilized,
Gas phase irridation of 2-pentanone produces acetone and ethylene in about 90% yield along with 10% 1-methylcyclobutanone. Accoutnt for the formation of these three products
2 components mixture give the tlc shown when 1:1 mixture of hexanes:ethyl acetate is used as the developing solvent which components is more polar and how can you tell?
Would the following procedural errors cause an increase, a decrease, or no change in your calculated molecular weight? Indicate clearly the reasoning in each case.
The energy levels of hydrogenlike one-electron ions of atomic number Z differ from those of hydrogen by a factor of Z^2. Predict the wavelength of the transition
To extract quinine from an aqueous solution, what pH should be used and why? I'm not sure if you use both pKa's or just one.
If a buffer solution is 0.260M in a weak base (Kb=5.6x10^-5) and 0.550M in its conjugate acid, what is the pH.
Calculate the maximum mass of pure ethanol that can be vaporized in 10 min from a beaker left in strong sunshine, assuming that the surface area of the ethanol to be 50 cm^2
The activity coefficients of the Mg2+ and Cl- ions in this solution. The mean ionic activity coefficients of these ions.
A gas occupying 28 mL at standard conditions is heated to 13?C while the pressure is reduced to 0.84119 atm. What is the new volume occupied by the gas.
Perform a mole balance over all materials to find n3, the molar flow rate of heated air and water vapor leaving the lines. What is the mole fraction of water vapor in the air and water vapor mixture stream leaving the heating lines
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