Peru can produce 20 tons of sugar or 20 tons of wheat. Brazil can produce 30 tons of sugar or 20 tons of wheat. Which country has the comparative advantage in sugar production?.

How many atoms are there in 5.70 mol of mg

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.

What is the correct name for the compound cocl3? a) cobalt(i) chloride b) cobalt(i) chlorate c) cobalt(ii) chlorate d) cobalt(iii) chloride