The first organisms to convert solar energy into chemical energy were most likely

One or more substances changing into one or more substances is an example of a

What is the empirical formula for c4h8o2

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.