What occurs in both fusion and fission reactions?

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !

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.