hydrochloric acid reacts with calcium carbonate to produce calcium chloride carbon dioxide and water. Chaneg word equations into formulas

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

When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?