Students volunteering at a charity event work 1/2-hour shifts zack volunteered for 4 hours he incorrectly divided one half by four to find the number of shifts he worked how should zack have calculated the number of his shifts

One significant difference between an ionic bond, where electrons are taken from one atom and added to another atom, and a covalent or metallic bond, where electrons are shared is

Geothermal energy for industrial use is available almost anywhere. a.true b.false

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.