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17 April, 12:17

How much energy is required to raise the temperature of 2 kg of iron from

20°C to 23°C? (Refer to table of specific heat values.)

O A. 2.7 J

O B. 900 J

O c. 2700 j

O D. 1.35

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Answers (1)
  1. 17 April, 16:11
    0
    252000j

    Explanation:

    Heat lost = heat gained

    4200*2*3=heat lost

    Energy = 25200j
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