Question

5. 20 kg of water at 20°C is mixed with 40 kg at 40°C . Find the
resulting temperature,​

Answer 1

Explanation:

it will be 60 kg of water 30℃

Answer 2

Explanation:

We know,

T

′

=

m

1

+m

2

m

1

T

1

+m

2

T

2

=

20+40

20×0+40×10

=6.6°C

is the required final temperature.

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