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 contentsare stirred till a final constant temperature is reached.Calculate the final temperature. The specific heatcapacity of copper is 0.39 I g-1 K-1 and that of wateris 4.2 J g-1 K-1. State the assumption used. plZ answer fast

45 g of water at 50°C in a beaker is cooled when 50 g of copper at

1.	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 contentsare stirred till a final constant temperature is reached.Calculate the final temperature. The specific heatcapacity of copper is 0.39 I g-1 K-1 and that of wateris 4.2 J g-1 K-1. State the assumption used. plZ answer fast
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