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The penny might ... but you won't.

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I think what the first responder was trying to say is that the penny under the tongue doesn't impact a breathalyzer's response.


The breathalyzer measures the amount of ethanol in the breath and then uses the laws of thermodynamics to convert that measurement into an estimate of your blood alcohol concentration.


Most attempts at thwarting breathalyzers have focused on altering the measurement of ethanol in the breath. Activated charcoal, burnt toast, etc. have been put forth as feasible though impractical means of absorbing some of the alcohol in the breath. The quantity of ethanol that could be adsorbed on the copper surface of a penny is negligible relative to the amount of ethanol in a breathalyzer sample and the equilibrium adsorption would not be reached in any event.


A better way, in our opinion (and a way that hasn't been mythbusted), is to lower the temperature of the breath. Since the amount of alcohol in the breath is exponentially dependent on the temperature of the breath, small changes in breath temperature can have a big impact on the alcohol evaporating into the breath from the blood.


This is probably why Wikipedia reports a study in which hyperventilating reduced Breathalyzer estimates of BAC by 22%. We reason that hyperventilating with ice in your mouth is likely to be even more effective, though we haven't tested it.


Be sure to check out the related links; we've gone into more detail on them.
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Wiki User

15y ago

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Related Questions

Will ice cubes help pass a breathalyzer?

No, consuming ice cubes will not help you pass a breathalyzer test. The only way to pass a breathalyzer test is to abstain from consuming alcohol.


Will you pass a breathalyzer after not drinking for 10 hours?

You may not pass a breathalyzer after not drinking for 10 hours. Each person's metabolism is different, some could pass and some will not.


What happens if you eat a penny?

You pass a penny.You pass a penny.


What is legal to pass a breathalyzer?

It depends on the jurisdiction; .05 to .08% are common lower limits.


How long does it take for you to pass a breathalyzer test after drinking alcohol?

How long it will take for you to pass a Breathalyzer test after drinking alcohol, will depend on how much you drank. Alcohol is metabolized in the body at a rate of .015 of blood alcohol concentration per hour.


Will i pass a breathalyzer 9 hours after drinking two beers?

If you didn't have any other alcohol, you probably will pass it.


How many hours to pass a breathalyzer?

The time it takes to pass a breathalyzer varies based on several factors, including the amount and type of alcohol consumed, body weight, metabolism, and individual tolerance. On average, the body metabolizes alcohol at a rate of about one standard drink per hour. However, there's no guaranteed time to "pass" a breathalyzer, as even small amounts of alcohol can be detected. The safest approach is to avoid driving after consuming alcohol altogether.


What homograph word for whip or pass the tongue over?

The homograph word for whip or pass the tongue over is "lick."


Why can soluble drugs be absorbed rapidly if placed under the tongue?

Soluble drugs placed under the tongue can be absorbed rapidly because the sublingual route allows for direct access to the bloodstream, bypassing the digestive system and first-pass metabolism in the liver. The rich blood supply and thin mucosa under the tongue facilitate quick absorption into the systemic circulation, leading to faster onset of action.


Can you pass a breathalyzer 6 hours from now if you've had 4 beers over 8 hours?

If you had 4 beers over 8 hours and then wait 6 hours with no more alcohol, you should have no problem passing a breathalyzer test.


How can you pass a breathalizer test?

To pass a breathalyzer test when over the limit one can suck for the bag instead of blowing but of course this might be noticed by the officer. It is illegal and irresponsible and one should simply avoid alcohol to pass a test.


How do you make the purring sound with your tongue?

You put your tongue on top of your mouth. Then let air pass through.

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