Greenhouse gases make up what percentage of earth's atmosphere? a. less than 1% b. between 1% and 5% c. between 5% and 20% d. over 20%

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 many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

Correct relationship between molecular formula and empirical formula