An entire watermelon weighs 21.0 pounds. The watermelon was dessicated and the remaining dry material was weighed, 1.68
lbs. Calculate the percentage of water in the sandia.
write your calculations.

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

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery