Todayâs lesson is brought to you by 7, 14, and the letters. Kw, pH. Kw: the ion-product constant of water Q: will pure distilled water conduct electricity A: As the demo shows, it will (slightly). If water conducts electricity, ions must exist Water exists as an equilibrium, which is referred to as the self-ionization of water: H2O + H2O ï« H3O+(aq) + OHâ(aq) Kw What is the value of Kw?
Lightning strikes airport passenger in Columbia. COLUMBIA, SC -- Lightning struck a passenger who was getting off a plane Saturday at the Columbia Metropolitan Airport, where a flight had been diverted because of bad weather. The woman, whose name was not available Sunday morning, was hospitalized in the Columbia area and in stable condition Saturday night, an airport spokeswoman said.
The air near a lightning strike is heated to 50,000 degrees. Fahrenheit, which is hotter than the surface of the sun. Rapid. heating and cooling of air near the lightning channel causes a. shock wave that results in thunder. Thunder from a nearby. lightning strike will have a very sharp crack or loud bang.