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QUESTION

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), H rxn =290.0...

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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