Chemistry 30

Using the Table of Standard Heats of Formation, determine the relative stabilities of CO₂, MgO, NO, & NH₃.

Answer:

MgO	- 602 kJ/mol	Most stable
CO2	- 394 kJ/mol
NH3	-46.0 kJ/mol
NO	+90.4 kJ/mol	Least stable

 

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