The solubility of ionic compounds in aqueous solutions is wide and varied. Some compounds are highly soluble (e.g. NaCl), some compounds are moderately soluble (e.g. SnI2) and some compounds are highly insoluble (e.g., AgCl). Determining which compounds are soluble and not soluble in a water medium is not a simple task.
For us in the Northern Hemisphere, the December solstice marks the longest night and shortest day of the year. Meanwhile, on the day of the December solstice, the Southern Hemisphere has its longest day and shortest night. This special day is coming up on Tuesday, December 22 at 4:48 UTC (December 21 at 10:48 p.m. CST). No matter where you live on Earthâs globe, a solstice is your signal to celebrate.
The length of the day in Kaohsiung varies over the course of the year. In 2017, the shortest day is December 21, with 10 hours, 45 minutes of daylight; the longest day is June 21, with 13 hours, 31 minutes of daylight.