SakuraFlower SakuraFlower

16-10-2020
Chemistry

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How much energy is required to melt a 500. gram block of iron? The heat of vaporization is 6090 J/g and the heat of fusion is 247 J/g.

3.05x10 6 J
2.47x10 2 J
1.23x10 5 J
6.09x10 3 J

Respuesta :

PiaDeveau PiaDeveau

24-10-2020

Answer:

Heat required = 1.23×10⁵J

Explanation:

Given:

Mass (m) = 500 gram

Specific heat = 6,090 J/g

heat of fusion = 247 J/g.

Find:

Heat required

Computation:

Heat required = 247 J/g× 500 g

Heat required = 1.23×10⁵J

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