What must be present on a rock that undergoes frost wedging?

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 boiling point of liquids is very high what does it indicate

An experimental procedure requires a 10 ml of acid to be dissolved