Use the reaction 12(s) = 12(g), AH = 62.4 kJ/mol, AS = 0.145 kJ/(mol-K), for this question.
What can be said about the reaction at 500 K?
A. Its entropy decreases.
B. It is spontaneous.
C. It proceeds rapidly.
Ο Ο
D. It is exothermic.

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 are the major types of a chemical compound

Light waves travel than sound waves.