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the chromatogram shown below was generated by injecting a solution containing 112 mg of butanol and an unknown amount of hexanol into a gas chromatograph. Previously, a solution containing 234 mg of butanol and 312 mg of hexanol gave peak areas, butanol/hexanol= 1.00/1.45 ....How much hexanol was in the sample represented by this chromatogram? ( chromatogram shows retention time for butanol to be 10 min and retention time for pentanol to be 20min.The pentanol peak is equal in height to the butanol one, but the pentanol one is approximately twice as large in area).The correct answer is 137 mg
why is significant serum (in the blood stream) chlorestrol reduction so difficult, and why do most of the drugs designed to reduce
volumetric flask and diluted to the mark with deionized water. The iron concentration of this dilute solution was determined to be 0.00112 M. what percent of this compound is iron?
At a potential of -1.00 V vs. SCE, carbon tetrachloride (CCl4) in methanol undergoes a reduc- tion to chloroform (CHCl3) at a mercury cathode:
Draw the product of the following reaction between propanoyl chloride and p-methoxynitrobenzene. Include all formal charges.
Describe the preparation of 1.5 liters of a 0.1 M acetate buffer, pH 5.0, starting from solid sodium acetate trihydrate
A fossil fuel containing 84% C, 15% H and 1%S is burned with 20% excess air in a boiler. The stack gases are at 150 C. a) What is the concentration (ppm) of SO3 in the stack if equilibrium is established according to
Kp for the reaction of SO2(g) with O2 to produce SO3(g) is 3 × 1024 . Calculate Kc for this equilibrium at 25ºC. (The relevant reaction is 2SO2(g) + O2(g) 2SO3(g).)
Calculate the amount of hydrogen (gmol/min) that needs to be burned in order to completely eliminate the need for addition of heat to the reactor.
Often reactions of tertiary alcohols or tertiary alkyl halides result in elimination reactions and not substitution reactions
An object made of aluminum has a mass of 8.37g. When it was placed in a graduated cylinder containing 20.0mL of water, the water level rose to 23.1mL. Calculate the density and specific gravity of the object.
What is the minimum amount of 5.2 M H2SO4 necessary to produce 23.0 g of H2? according to the following reaction. 2Al(s)+3H2SO4(aq)-->Al2(SO4)3 (aq)+3H2(g)
The iron-chromium voltaic cell utilizes the following reaction with a measured potential of 0.30 V. What is Î"G ° for this reaction?
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