A 36.0 g sample of liquid water is initially at 10.0 °C. How many kJ are required to turn it into steam at 200.0 °C?

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.

Displacement is the slope of a velocity vs. time graph a. true b. false

Nan element’s square on the periodic table, the number with the greatest numerical value represents the