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20 March, 10:56

A certain chemical reaction experiences a 7.50 x 10-7 kilogram loss in mass. If this mass were to be totally converted to energy, what would be the magnitude of that energy.

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  1. 20 March, 11:28
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    E=6.75*10¹⁰J

    Explanation:

    Given data

    Mass (m) = 7.50*10⁻⁷kg

    To find

    Energy (E) = ?

    Solution

    From Albert Einstein's theory of special relativity

    E = mc² ... eq (1)

    Where

    E is energy

    m is mass

    c is speed of light which 3.0*10⁸m/s

    put values in eq (1) we get

    E = (7.50*10⁻⁷kg) * (3.0*10⁸m/s) ²

    E=6.75*10¹⁰J
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