Nitrogen monoxide reacts with oxygen to yield nitrogen dioxide: 2 NO(g) + O 2 (g

Q: Nitrogen monoxide reacts with oxygen to yield nitrogen dioxide: 2 NO(g) + O 2 (g

2 NO(g) + O2(g) --> 2 NO2(g). 2 mole of NO = 1 moles of O2 = 2 moles of NO2 a) 1 mole of NO = 22.4 litre at STP 150 ml of NO = 0.0067 mole of NO No of moles of O2 required= 0.00334 mole volume of O2 required= 0.075 Litre b) volume of NO2 produced = 0.15 L = 150 ml c)volume of reaction mixer after completion of 50% reaction= volume of NO+O2+NO2 = 75+37.5+75 =187.5 ML

ID: 800513 • Letter: N

Question

Nitrogen monoxide reacts with oxygen to yield nitrogen dioxide: 2 NO(g) + O2(g) --> 2 NO2(g).

a.) If you mix 150 mL of NO with O2, what volume of O2 (at the same temperature and pressure) is required to achieve the correct stoichiometric ratio of reactants?

b.) After the reaction between 150 mL of NO and stoichiometric volume of O2 is complete, what is the volume (at the same temperature and pressure) of NO2?

c.) What is the volume (at the same temperature and pressure) of the reaction mixture when the progress of the reaction is only at 50% complete?

Explanation / Answer

2 NO(g) + O2(g) --> 2 NO2(g).

2 mole of NO = 1 moles of O2 = 2 moles of NO2

a) 1 mole of NO = 22.4 litre at STP

150 ml of NO = 0.0067 mole of NO

No of moles of O2 required= 0.00334 mole

volume of O2 required= 0.075 Litre

b) volume of NO2 produced = 0.15 L = 150 ml

c)volume of reaction mixer after completion of 50% reaction= volume of NO+O2+NO2 = 75+37.5+75

=187.5 ML

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Nitrogen monoxide reacts with oxygen to yield nitrogen dioxide: 2 NO(g) + O 2 (g

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