Question

Find the amount of water at 0° C, which will freeze to form ice by liberating 28224 J of heat energy.​

Answer 1

Answer:

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Answer 2

Solution:

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Here, we have been told to find the amount of water at 0°C, which will freeze to form ice by liberating 28224 J of heat energy.

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So, some given data in the question are:

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• Latent heat of fusion of ice = 336 Jg$^{–1}$
• Amount of heat energy liberated = 28224 J
• Heat energy given out by water = mL

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So, amount of energy liberated = mL

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$\therefore$ 28224 = m × 336

$\begin{gathered}\begin{gathered} \\ \\ : \implies \displaystyle m = \frac{28224}{336} \\ \\ \\ \end{gathered} \end{gathered} = 84 \: g.$

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Thus, m = 84 g.