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8 December, 17:41

Suppose that the electric potential outside a living cell is higher than that inside the cell by 0.085 V. How much work is done by the electric force when a sodium ion (charge

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  1. 8 December, 20:56
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    The work that has been done by the electric force is 1.36 x 10⁻²⁰ J

    Explanation:

    given information:

    electric potential, V = 0.085 V

    we can use the following formula to calculate the electric force of sodium

    W = - eΔV

    where

    W = work (joule, J)

    e = charge (coulomb, C)

    V = electric potential (volt, V)

    The charge of sodium ion is 1.6 x 10⁻¹⁹. Therefore,

    W = - eΔV

    = - (1.6 x 10⁻19 C) (-0.085)

    = 1.36 x 10⁻²⁰ J
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