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45 g of water at 50∘C in a beaker is cooled when 50 g of copper at 18∘C is added to it.The contents are stirred till a final constant temperature is reached.Calculate the final temperature.The specific heat capacity of copper is 0.39 Jg−1 K−1 and that of water is 4.2 Jg−1 K−1.State the assumption used. |
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Answer» 45 g of water at 50∘C in a beaker is cooled when 50 g of copper at 18∘C is added to it.The contents are stirred till a final constant temperature is reached.Calculate the final temperature.The specific heat capacity of copper is 0.39 Jg−1 K−1 and that of water is 4.2 Jg−1 K−1.State the assumption used. |
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