How do I get rid of rhododendron borers?

How do I get rid of rhododendron borers? Prune out and destroy heavily infested parts of the plants whenever wilting stems are noticed. Rhododendrons can be protected from further infestation by rhododendron borers by spraying the stems with one of the pyrethroid insecticides labeled for home landscape use. How do you treat borer damage? Treatment […]

What is a comonad?

What is a comonad? Comonad is a Functor and provides duals of the Monad pure and flatMap functions. A dual to a function has the same types but the direction of the arrows are reversed. Whether or not that is useful, or even possible, depends on the particular type. What are comonads useful for? A […]

What is the acid strength of HCl?

What is the acid strength of HCl? Strong acids Acid Formula in water Hydrochloric acid HCl -5.9 ± 0.4 Hydrobromic acid HBr -8.8 ± 0.8 Hydroiodic acid HI -9.5 ± 1 Triflic acid H[CF3SO3] −14 ± 2 Which Oxoacid is strongest? Therefore, HOCl is the strongest acid and HOI is weakest, and acid strength decreases […]

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