How do you tell if a reaction is endothermic or exothermic using only the written formula

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable