For the reaction N2(g) + O2(g) → 2 NO(g), AH° = 180.5 kJ. How much energy...

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Question

For the reaction N2(g) + O2(g) → 2 NO(g), AH° = 180.5 kJ. How much energy is needed to generate 35.0 moles of NO(g)? 6320 kj

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Answer 1

Answer #1

According to the equation when one mole of N2 is reacted that will release 180.5 kilo joules of heat.

Moles of NO generated = 35 Moles

Moles of N2 reacted = 35 /2 = 17.5 Moles

Amount of heat required = 17.5 mol x 180.5 kJ /mol = 3158.8 kJ ~ 3160 kJ

Hence 35 moles of NO will require 3160 kJ of heat

Option B is correct answer

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Answer 2

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