Which properties of plastics cause a problem when the container is empty

Which of these best describes an ionic bond?

What’s the percent by mass of carbon in c10h14n2

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.