micnumber109 micnumber109

22-06-2022
Chemistry

contestada

how much energy is required to raise the temperture of 2kg of iron from 20c to 23c

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Medunno13 Medunno13

03-07-2022

The specific heat constant for iron is 0.44 J/g K.

The 2 kg of iron is equal to 2000 g.

Thus, we need Q=(0.44)(2000)(23-20), which is 2640 J

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