Carbonic acid reacts with sodium hydroxide to form water and sodium carbonate and water. Carbonic acid has a density of 1.67 g/cm3, and sodium carbonate has a density of 2.54 g/cm3. What can be known about the density of sodium hydroxide?

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.

Which substance can be broken down by chemical means

Rank the four gases (air, exhaled air, gas produced from from decomposition of h2o2, gas from decomposition of nahco3) in order of increasing concentration of co2