The reactants are all the formulas to the left of the arrow, which are:
hcI(aq) nahco3(aq)
B - Evolve into the closest species on the tree’s trunk
An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit The word was coined by William Wheel at the request of the scientist Michael Faraday from the Greek words electron, meaning amber and hods, a way.