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If two different mixtures of gasahol are available the first containing 23% alcohol as well as the second 30% alcohol. Explain how many gallons of the second mixture must be added to 220 gallons of the first mixture to produce a mixture containing 27% alcohol?
when optically active r-2-bromooctonealpha39.6omicron was allowed to react with amixture of water and ethanol
A laser produces 20.0 mW of red light. In 1 hour, the laser emits 2.29 X 10^20 photons. What is the wavelength of the laser
calculate the seperation in Energy between the ground state and the first excited state in which one electron occupies the state with n=7.
The first mechanism includes sodium acetate to yield beta-penta-acetate and the first mechanism includes zinc chloride (Lewis acid) to form an oxonium ion to yield the alpha-penta-acetate product. Any help to draw out the mechs would be much appre..
As he was looking for the baking soda he found something else that would help alleviate the rash. What could've AJ used to help with the diaper rash?
The absorbance at 595 nm was 0.78 and,according to a standard curve, corresponds to 0.015 mg of proteinon the x axis. What is the protein concentration of the original solution?
The reaction caused the temperature of the solution to rise from 22.06 C to 26.42 C. If the solution has the same density and specific heat as water, what is deltaH for this reaction (per mole of H2O produced)?
The overall formation constant for Cu(NH3)42+ is 1.1x1013 at 25oC. What is [Cu2+], in moles per litre, at equilibrium when 8.3 g Cu(NO3)2 is dissolved in 0.500 L of 1.00 mol/L NH3(aq)? Assume that there is no volume change when the Cu(NO3)2 is add..
What are the principal natural sources of hydrogen? What are the principal methods for the commercial preparation of hydrogen?
A reaction was conducted in benzene as the solvent. Because the reaction was very exothermic, the mixture was cooled in a salt-ice bath. This was a bad choice. Why?
Determine the activity of 50 mg of radium-226 (t1/2 =1600 years) in becquerels and in millicuries.
The specific heat capacity of the solution produced was 4.20 J/g•°C, and final temperature reached was 34.91°C. How much heat was produced by the dissolution
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