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Grade 11Thermal Physics

200gm of water at 20 degree Celsius is mixed with 20 gm of steam at 20 degree Celsius.Find mixture temperature. The process is not in atmospheric pressure hence boiling point of water is110 degree Celsius

Ajay

8 Years agoGrade 11

1 Answer

Kruthik

8 Years ago

How can steam be at 20^oC. I think there is some mistake in the question. However, you can solve it the following way.

Find heat required to convert steam into water ie be Q₁=m₁L

Then find heat required to bring the water at temperature T, be Q₂=m₁S∂T

Now, calculate the heat required to take water at temperature T, Q₃=m₁S∂T.

Now, by principle of calorimetry, Q₁+ Q₂= Q₃

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