A breathalyzer measures volume % ethanol in gases exhaled from
the lungs. Calibration relates it to...
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Chemistry
A breathalyzer measures volume % ethanol in gases exhaled fromthe lungs. Calibration relates it to volume % ethanol in thebloodstream. Use VLE concepts to develop an approximate relationbetween the two quantities. Numerous assumptions are required;state and justify them where possible.
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so the basic chemistry behind a breathalyzer is the following redox reaction 2 Cr2O72 3 C2H5OH 16 H 4 Cr3 3 CH3CO2 H 11 H2O Cr oxidizes the ethanol in our breath to acetic acid and
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