Asample of an unknown liquid has a volume of 30.0 ml and a mass of 6 g. what is its density? show your work or explain how you determined this value.

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

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.

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %