If you have 3 moles of a gas at a pressure of 2.5 atm and a volume of 8 liters, what is the temperature? a. 57.86 K
b. 0.81 K
c. 25 K
d. 81.26 K

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.