Added: Sabina Heidelberg - Date: 18.10.2021 06:58 - Views: 49588 - Clicks: 3175
You can easily make nitrous oxideor laughing gas, in the lab or at home.
However, there are reasons why you might want to forgo the preparation unless you have chem lab experience. Nitrous oxide N 2 Oalso known as laughing gas, is a colorless, sweet-smelling, sweet-tasting gas that is used in dentistry and surgery because inhaling the gas produces analgesic and anesthetic effects. The gas is also used to improve the engine output of automotive vehicles and as an oxidizer in rocketry.
Nitrous oxide got the name "laughing gas" because inhaling it produces euphoria. English chemist Joseph Priestley first synthesized nitrous oxide in by collecting the gas produced from sprinkling nitric acid over iron filings.
Nitrous oxide usually is produced by How to create laughing gas the method developed by another English chemist, Humphry Davy, of gently heating ammonium nitrate to decompose it into nitrous oxide and water vapor:. The key here is gently heating the ammonium nitrate to between degrees C and degrees C because higher temperatures might cause the ammonium nitrate to detonate.
People have been doing this without incident for more than years, so the procedure is safe as long as you take care. Next, cool the hot gases to condense the water. The best way to do this is by using a pneumatic trough, which involves a tube leading from the ammonium nitrate container that bubbles the gases up through water into a collection jar.
You want the rate of gas production to be a bubble or two per second. The pneumatic trough removes the water from the reaction as well as smoke from impurities in the ammonium nitrate. The gas in the collection jar is your nitrous oxide, plus lesser amounts of other nitrogen oxides, including nitric oxide and nitrogen monoxide. Nitric oxide eventually is oxidized to nitrous oxide upon exposure to oxygen, although acid and base treatments are used to remove impurities for commercial-scale production.
When your container is full of gas, discontinue heating the ammonium nitrate and disconnect the tubing so that water will not flow up into your collection container. Cover the container so that you can turn it upright without losing the gas. If you don't have a lid for the container, a flat sheet of glass or plastic will work fine. How to keep the preparation safe:. Actively scan device characteristics for identification.
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Anne Marie Helmenstine, Ph. Chemistry Expert. Helmenstine holds a Ph. She has taught science courses at the high school, college, and graduate levels. Facebook Facebook Twitter Twitter.
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