Which material is the best conductor of thermal energy? O A. Metal O B. Rubber O C. Glass O D. Plastic

Smog is the term used to describe the combination of fog and smoke

H2so4(aq) + mg(s)—> mgso4(aq) +h2(g) which substance is the acid in the reaction?

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.