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?
Protecting Airport Personnel from. Lightning Strikes. L. ightning strikes are particularly. hazardous to ramp operations. at airports, where ramp workers. need to cease outdoor activities when. lightning presents an imminent danger. All aspects of airport operationsâ. landside, terminal, and airsideâ. are impacted when there is a ramp.
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.