WebMothballs are commonly made of naphthalene or para-dichlorobenzene, both of which are toxic to humans. These chemicals are solids at room temperature and are made into … WebThe ideal with both chemicals is to kill moths and moth Larva with fumes. Both Naphthalene and dichldro Benzene sub mate, meaning they translate from a solid state to a gas. Even though the phase is changed, there is no change in chemical composition of either naphthalene or dichlorobenzene. Thus vaporization Of mothballs is a physical process.
Physical and Chemical practice Flashcards Quizlet
WebJan 3, 2024 · Illegal naphthalene moth repellent products-- mothballs-- are hazardous to young children. Mothballs can easily be mistaken for candy, or simply tempt young children to touch and play with them. Recent studies link naphthalene to illnesses, including nasal cancer. Widespread sale of illegal mothball products is a particular concern. WebYes, mothballs are combustible and can catch fire. When the vapor is given off from a mothball, that vapor is flammable. This happens at 174 degrees Fahrenheit (79 Celsius). This is because the ratio of mothball chemical to oxygen is dramatically different when a mothball is in vapor form compared to solid form. la barbade langue
Solved: Classify the following as physical or chemical …
Mothballs are stored in air-tight bags made of a non-reactive plastic such as polyethylene or polypropylene (other plastics may be degraded or softened). The clothing to be protected should be sealed within airtight containers; otherwise the vapors will tend to escape into the surrounding environment. Manufacturer's instructions regularly warn against using mothballs for any purpose other than those specified by the packaging, as such uses are not only harmful and noxious, the… WebSep 3, 2011 · Is moth balls vaporizing in the closet a physical or chemical change? That is a physical change because the evaporated moth ball chemical is still the moth ball chemical, just in... WebYes, mothballs are combustible and can catch fire. When the vapor is given off from a mothball, that vapor is flammable. This happens at 174 degrees Fahrenheit (79 Celsius). … jean 8.7