Calculate the kinetic energy of a mole of oxygen gas molecules that have a speed of 10.0 m/s.

Question

Calculate the kinetic energy of a mole of oxygen gas molecules that have a speed
of 10.0 m/s.

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Amity 4 years 2021-08-03T20:21:35+00:00 1 Answers 15 views 0

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  1. Dau
    0
    2021-08-03T20:23:26+00:00
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    Answer:

    1600J

    Explanation:

    1 mole of oxygen gas (O2) has a mass of 32g i.e. the molar mass = 32g/mol

    Kinetic energy (K.E) = ½ × m × v²

    Where;

    m = mass (g)

    v = speed or velocity (m/s)

    From the information given in this question;

    m = 32g

    V = 10m/s²

    K.E = ½ × 32 × 10²

    K.E = 16 × 100

    K.E = 1600J

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )