When the elements in group 1 are considered in order from top to bottom, each successive element at standard pressure has
(1) a higher melting point and a higher boiling point
(2) a higher melting point and a lower boiling point
(3) a lower melting point and a higher boiling point
(4) a lower melting point and a lower boiling point

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

Acetylene gas c2h2 undergoes combustion to produce carbon dioxide and water vapor how many grams of water are produced by the same amount of c2h2?

Select all the correct answers.which compounds have the empirical formula ch20? (multiple answers)a.c2h4o2b.c3h603c.ch2o2d.c5h1005e.c6h1206