In a reaction between calcium hydroxide, Ca(OH)2, and lithium sulfide, Li2S, which of the
following, if any, would be the solid products?
calcium sulfide (CaS)
lithium hydroxide (LiOH)
calcium sulfide(CaS) and lithium hydroxide (LiOH)
no solid products

Calculate the h3o+ concentration in a solution of acetic acid if the concentration of molecular acetic acid present at equilibrium is 9.97x10^-3 m and k for the dissociation is 1.86x10^-5. ch3cooh(aq)+h2o(> h3o^+(aq)+ch3coo^-(aq)

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

The element that has the greatest electronegativity is