A 0.10 mol/L solution of a weak acid was found to be 4.0% dissociated. Calculate Ka.

Identify arrows pointing to bonding electrons. done h-0-0-h ) intro

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.

Quickly what are the following of organisms that existed over a wide area but only for a limited time period called a.soft fossils b.mold fossils c.index fossils d.trace fossils