What is the molar mass of the following calcium fluoride molecule? caf2 20 ca 40.08 calcium 9 f 19.00 fluorine a. 18.99 grams b. 40.08 grams c. 78.08 grams d. 99.24 grams

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 tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation

How many molecules are in 6.0 moles of methane