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N(2(g)) + O(2(g)) to 2NO((g)) - 42.0 kca...

`N_(2(g)) + O_(2(g)) to 2NO_((g)) - 42.0` kcal

A

exothermic

B

endothermic

C

addition

D

dissociation

Text Solution

Verified by Experts

The correct Answer is:
B
`N_(2(g))+O_(2(g))to2NO_((g))-42.0` kcal
This reaction is an endothermic reaction because here heat is absorbed.
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