molakidesg23 molakidesg23

03-12-2020
Chemistry

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How much energy is required to completely melt a 250 gram ice cube that is already at 0 degrees Celsius? Show your work & units. Expected Answer = 83,500 J

How much energy is required to completely melt a 250 gram ice cube that is already at 0 degrees Celsius Show your work amp units Expected Answer 83500 J class=

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loganlister loganlister

06-04-2021

Answer:

Q = 83500J

Explanation:

[tex]Q = L_{ice} *m[/tex]

[tex]L_{ice} = 3.34*10^{5} \frac{J}{kg}[/tex]

[tex]m = 250g = 0.25kg[/tex]

[tex]Q = (3.34*10^{5} \frac{J}{kg})*(0.25kg)[/tex]

[tex]Q = 83500J[/tex]

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