Some odorless gases include ethane, helium, hydrogen, radon and nitrogen. Ethane is a flammable hydrocarbon made of two carbon atoms and six hydrogen atoms. The other gases are elements. Nitrogen, like hydrogen, is found as two atoms in its free state.
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The noble gasses: Helium, Neon, Argon. Krypton, Xenon, Radon, Ununoctium. All are monatomic gases, so are just elements, and are tasteless and odorless, since they do not form chemical bonds.
Inert gases are not combustible at all, and are sometimes used in fire suppression systems. Carbon dioxide and helium are examples of inert gases. Flammable gases can be explosive when mixed with air in the right proportions. Hydrogen, butane, methane and ethylene are examples of flammable gases.
Gases are frequently described as "colorless, odorless, and tasteless." I am wondering if this is redundant, since I can't think of many gases that have a detectable color to begin with, much less ones that have a color but no odor. Are there any gases that are colorful and odorless at standard temperature and pressure? In particular, gases ...
Many gases have toxic properties, which are often assessed using the LC50 (median lethal dose) measure. In the United States, many of these gases have been assigned an NFPA 704 health rating of 4 (may be fatal) or 3 (may cause serious or permanent injury), and/or exposure limits [Threshold limit value|TLV], TWA or STEL) determined by the ACGIH professional association.
Suna collects samples of two colorless, odorless gases that bubble out of the liquid. One of the gases burns. Neither the original liquid nor the other gas burns. Which is the best explanation of her results? A.) The electric current changed some of the sample to gas even though the sample was not breaking down.
Suna passes an electric current through a sample of clear, colorless, and odorless liquid. As the experiment continues, bubbles form, and the volume of liquid decreases. Suna collects samples of two colorless, odorless gases that bubble out of the liquid. One of the gases burns. Neither the original liquid nor the other gas burns.
Gases, like other forms of matter, have physical properties such as color, odor, and taste. In general, gases tend to be colorless and odorless, although some important exceptions exist. Also, most gases are transparent: that is, it is possible to see objects through them rather clearly.
Poisonous gases, electrical currents, rust, fires—there are many ways your house can take you down, if you're not vigilant about safety and codes. Check out these dangerous household conditions for a lesson in what not to do