Register | FAQ | Members List | Calendar | Today's Posts | Search | Contact |
|
Registered
Members: 606 | Total Threads: 50,802 | Total Posts: 518,378 Currently Active Users: 339 (0 active members) Please welcome our newest member, andy10v |
|
|
Thread Tools | Display Modes |
12-06-2020, 10:39 PM | #23 | |
Registered User
Join Date: Aug 2011
Location: Southampton
Bike: M1100evo
Posts: 2,465
|
Quote:
Ozone (O³) is heavier than air with a molecular weight of 48 compared to oxygen's 32 and nitrogen at 28. Low level ozone, (the stuff close to the ground), is mostly created from sunlight reacting with exhaust gases and other pollutants. It is also produced by electrical discharges such as during a lightning strike and, in the case of the fridge or anything else with an electric motor (unless brushless), by the sparking within the motor. The high level ozone that protects us from UV light is created up there by a reaction between cosmic rays and the oxygen in the upper atmosphere. Its height and other factors such as centrifugal force and air currents means that, although it's heavier than air, it doesn't fall down to earth. While ozone does attack rubber, causing damage in the form of cracking, it's not really a problem with modern tyres as the rubber compound now contains protection in the form of antiozonants (think antioxidants but for ozone) and/or waxes. So I wouldn't bother dragging the chest freezer out of the garage just yet. |
|
|
|