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45 2.0

2. How many joules of heat are needed to raise the temperature of 048 kg of aluminum from 21°C to

94°C, if the specific heat of aluminum is 900 J/g °C?

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Answers (1)
  1. 1 July, 15:06
    0
    The answer to your question is: Q = 3153600 Joules

    Explanation:

    Data

    Q = ?

    m = 48 kg

    T1 = 21°C

    T2 = 94°C

    Cp = 900 J/g°C

    Formula

    Q = mCpΔT

    Q = (48) (900) (94 - 21) = 3153600 Joules
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