A sample of aluminum requires 341 J of energy to raise the temperature from 18.0ºC to 55.0ºC. Calculate the mass of the aluminum sample.

Question

A sample of aluminum requires 341 J of energy to raise the temperature from 18.0ºC to 55.0ºC. Calculate the mass of the aluminum sample.

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Nick 4 years 2021-08-02T20:15:00+00:00 1 Answers 15 views 0

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  1. Cherry
    0
    2021-08-02T20:16:33+00:00
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    Answer:

    10.22g

    Explanation:

    Using the formula as follows:

    Q = m × c × ∆T

    Where;

    Q = amount of heat required (J)

    m = mass of substance (g)

    c = specific heat of substance (J/g°C)

    ∆T = change in temperature (°C)

    According to the information given in this question;

    Q = 341J

    m = ?

    ∆T = 55.0ºC – 18.0ºC = 37°C

    c of aluminum = 0.902J/g°C

    Using Q = m × c × ∆T

    341 = m × 0.902 × 37

    341 = 33.374m

    m = 341 ÷ 33.374

    m = 10.22g

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