If there are 3.0 liters of gas at a pressure of 2.0 atm at constant temperature, what is the pressure if the volume is reduced by one half?

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.

Light waves can move through , but they travel fastest when they move through a(n) .

In one or two grammatically correct sentences, write a definition for the term molecule geometry