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10 May, 13:54

Use Q = mcAT

1. How much heat (Q) will be absorbed by 320 g of water when its temperature is raised by

35°C?

The specific heat (C) for water is 4.18 J/gºC

2. Calculate the specific heat (c) for aluminum when 16500J of heat are absorbed in raising

the temperature of 150g of aluminum by 125°C

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Answers (1)
  1. 10 May, 14:46
    0
    1) ... for the specific heat capacity (c) of water is 4200kg/J°C ...

    ... guven mass (m) = 320g (0.32kg)

    ... change in temperature (ΔT) = 35°C

    from the formula

    Q=mcΔT

    Q=0.32Kg x 4200kg/J°C x 35°C

    Q=47,040Joules
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