Explain how your observations verify that the residue in your crucible after heating is potassium chloride.

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

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.

Heat is the total potential energy of a substance that can be transferred. true false