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.
With a smaller population and land mass, the UK has fewer deaths from lightning strikes. According to the tornado and storm research organisation (Torro) database, 30 to 60 people are struck by lightning each year, with an average annual death toll of less than five. Lightning strikes tend to be concentrated in the south-east, because of the warmer average temperatures.