If any of your boating is also in brackish or salt water, fit aluminum anodes. Don Casey has been one of the most consulted experts on boat care and upgrades for 30 years, and a panelist on our Ask The Experts website for a decade.here the zinc is mounted directly to the protected metal--bolted to the side of a metal rudder, for example--it is essential to make sure the surface under the zinc is bare and bright before the anode is installed. This is to ensure good electrical contact.
A hydrophobic molecule is a molecule that won't combine with water. The word hydrophobic describes this water-repelling characteristic; hydro means water in Greek, and phobic derives from phobos, which means fearing.. Though these molecules don't literally fear water, they do not mix with water molecules.
A water molecule contains two hydrogen atoms and one oxygen atom. Which of the following statements about water molecules is true?