23-11-2019
Chemistry

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N2(g) + 202(g) + 16.2 kcal → 2NO2(g)
Is it endothermic or exothermic?

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23-11-2019

Answer:

Endothermic

Explanation:

Endothermic and exothermic have to do with energy. Breaking down each of the words:

Endo - thermic = absorb energy

Exo - thermic = release energy

kcal is a form of energy, calories.

For this reaction, energy is on the reactant side. Energy was absorbed for the reaction to occur.

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