Describe what effect does observing a substance's physical properties have on the substance?

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

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.

In which region is the substance in both the solid phase and the liquid phase? 1 2. 3 4 mark this and return save and exit next