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19 July, 14:04

The reaction 2 no (g) + cl2 (g) → 2 nocl (g) is carried out in a closed vessel. if the partial pressure of no is decreasing at a rate of 184 torr/min, what is the rate of change of the total pressure in the vessel? the sign of the answer is important.

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  1. 19 July, 14:10
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    92.0 torr/min.

    Explanation:

    For the reaction: 2NO (g) + Cl₂ (g) → 2NOCl (g).

    ∵ The rate of the reaction = - 1/2 (ΔP) NO/Δt = - (ΔP) Cl₂/Δt = 1/2 (ΔP) NOCl/Δt.

    ∵ (ΔP) NO/Δt = - 184 torr/min.

    ∴ The rate of change of the total pressure in the vessel = - 1/2 (ΔP) NO/Δt = ( - 1/2) ( - 184 torr/min) = 92.0 torr/min.
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