If the reaction releases 9.89 kJ of energy, what is the enthalpy of reaction, in kJ/mol ZnS? 4.68 g ZnS formed
0.0480 mol ZnS formed

kJ/mol Zns

How do you convert 4 mmol of bromobenzene to ml?

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.

No copying 15 pts how does a free-body diagram tell you about the net force on an object?