Potential energy is A) energy that can be destroyed.

B) energy that can be created.

C) energy from electrons.

D) energy that's stored.

PLEASE HELP ME

Which compound contain an iron with a 3+ charge

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.