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One liter of water at 30°C is mixed with one liter of water at 50°C. The temperature of themixture will be A.80°CB.B.more than 50°C but less than 80°CC.20°CD.between 30°C and 50°C​

Answer»

Answer: the temperature will slightly less than 40°C. Explanation: Because water EXPANDS when heated, 1 litre of water at 50°C will have less mass than 1 litre of water at 30°C. As a RESULT, the 30°C litre has slightly more than the 50°C litre, and thus the AVERAGE will END up slightly less than 40°C.Feb 28, 2017



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