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13 June, 22:18

The pressure in an automobile tire filled with air is 245.0 kPa. If Po2 = 51.3 kPa, Pco2 = 0.10 kPa, and P-others = 2.3 kPa, what is Pn2?

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  1. 14 June, 00:10
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    PN₂ = 191.3 Kpa

    Explanation:

    Given dа ta:

    Total pressure of tire = 245.0 Kpa

    Partial pressure of PO₂ = 51.3 Kpa

    Partial pressure of PCO₂ = 0.10 Kpa

    Partial pressure of others = 2.3 Kpa

    Partial pressure of PN₂ = ?

    Solution:

    According to Dalton law of partial pressure,

    The total pressure inside container is equal to the sum of partial pressures of individual gases present in container.

    Mathematical expression:

    P (total) = P₁ + P₂ + P₃ + ... + Pₙ

    Now we will solve this problem by using this law.

    P (total) = PO₂ + PCO₂ + P (others) + PN₂

    245 Kpa = 51.3 Kpa + 0.10 Kpa + 2.3 Kpa + PN₂

    245 Kpa = 53.7 Kpa + PN₂

    PN₂ = 245 Kpa - 53.7 Kpa

    PN₂ = 191.3 Kpa
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