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.
(I ask everyone who believes that the United States has God on its side to consider the theological implications of lightning striking the Mall on the 4th of July.) The NOAA website says that 400 people a year get struck by lightning, but doesn't make it clear whether that's worldwide or nationwide. Between 1997 and 2006, 437 people in the United States died from lightning strikes. Wyoming is the most dangerous state for lightning, and no one died of lightning strikes in Alaska, Delaware, D.C., Hawaii, New Hampshire or Washington state.