List four common signs that a chemical reaction has occurred.

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

Building glycogen from glucose molecules is an example of

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.