The decomposition of NI
3
to form N
2
and I
2
releases −
290.0 kJ
of energy. The reaction can be represented as2NI
3
(s)→N
2
(g)+3I
2
(g), ΔH
rxn
=−290.0 kJ
Find the change in enthaply when 14.0 g
of NI
3
decomposes.
Express your answer to three significant figures and include the appropriate units.
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