Which of the following most likely happens during a physical change? a)an irreversible process takes place. b)substance changes its form but not its molecular composition. c) new atoms are introduced in the molecules of the substance. d)a substance reacts differently with a chemical before and after the change plz

Which material produces static charge when rubbed ?

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

How does the presence of oxygen affect the chemical pathways used to extract energy from glucose?