Given the skeleton formula below, what is the ratio of coefficients?
C6H6(l) + O2(g) → CO2(g) + H20(g)

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.