# Problem: Given the following reactions:(1) 2NO --&gt; N2 + O2            ∆H = -180 kJ(2) 2NO + O2 --&gt; 2NO2      ∆H = -112 kJthe enthalpy of the reaction of nitrogen with oxygen to produce nitrogen dioxide2N2 + 4O2 --&gt; 4NO2is _________.a. -136 kJb. 68kJc. 136 kJd. 292kJe. -292 kJ

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Given the following reactions:

(1) 2NO --> N2 + O2            ∆H = -180 kJ
(2) 2NO + O2 --> 2NO2      ∆H = -112 kJ

the enthalpy of the reaction of nitrogen with oxygen to produce nitrogen dioxide

2N2 + 4O2 --> 4NO2

is _________.

a. -136 kJ
b. 68kJ
c. 136 kJ
d. 292kJ
e. -292 kJ

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