Chemistry LA
What is the molar mass of carbon dioxide (CO)?
44.01 g/mol
15.99 g/mol
12.01 g/mol
32.00 g/mol

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

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.

Heat is the total potential energy of a substance that can be transferred. true false