The active mass of 80g NaOh in 8 litre flask is ?a)1.0. B) 0.75 c)0.5 d)0.25

Draw metallic bonding if two copper

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.

Which of two curves exhibits exponential growth