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Rate of formation of NO2 or O2 from the rate N2O5 disappears

The same question, asked 4 times: 2 May 2023 S1*, 3 May 2023 S1, 10 May 2024 S2*, 20 Apr 2026 S1. Every wording below, oldest first.

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  1. Question 1

    2 May 2023 S1

    85
    What is the rate of formation of O2\text{O}_2 for the reaction: 2N2O5(g)→4NO2(g)+O2(g)2\text{N}_2\text{O}_5(g) \rightarrow 4\text{NO}_2(g) + \text{O}_2(g), dN2O5dt=0.02\frac{d\text{N}_2\text{O}_5}{dt} = 0.02 mol dm−3^{-3} s−1^{-1}

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  2. Question 2

    3 May 2023 S1

    95
    For a reaction, 2N2O5(g)⟶4NO2(g)+O2(g)2\text{N}_2\text{O}_5(g)\longrightarrow4\text{NO}_2(g)+\text{O}_2(g), N2O5\text{N}_2\text{O}_5 disappears at a rate of 0.06 mol dm−3 s−10.06\ \text{mol dm}^{-3}\ \text{s}^{-1}. What is rate of NO2(g)\text{NO}_2(g) formation?

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  3. Question 3

    10 May 2024 S2

    83
    Find the average rate of formation of NO2_2(g) in following reaction. 2N2O5(g)→4NO2(g)+O2(g)2N_2O_5(g)\rightarrow 4NO_2(g)+O_2(g); ΔN2O5Δt=x mol dm−3 s−1\frac{\Delta N_2O_5}{\Delta t}=x\,\text{mol dm}^{-3}\,s^{-1}

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  4. Question 4

    20 Apr 2026 S1

    31
    In a reaction, 2N2O5(g)→4 NO2(g)+O2(g)\mathrm{2N_2O_{5(g)} \rightarrow 4\,NO_{2(g)} + O_{2(g)}} N2O5\mathrm{N_2O_5} disappears at a rate of 0.06 mol dm−3 s−10.06\ \mathrm{mol\,dm^{-3}\,s^{-1}} Calculate rate of formation of O2(g)\mathrm{O_{2(g)}} ?

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