If a planet has mass of 2,440,000kg and a radius of 3.3x1026m, then its density is
___kg/m3
1.45x10-3
3.3xx103
6.28x10-2
O 5.43x106

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.

What volume would 2.25 moles of ne has occupy at stp?

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³