Question

7 one litre of water at 30°C. is mixed with
one litre of water at 50 'C The
temperature of this mixture as soon
as it is formed will be



​

Answer 1

Answer:

the temperature will be between 30°c and 50°c

Answer 2

Answer:

Given : One litre of water at 30˚C is mixed with one litre of water at 50˚C

To Find : The temperature of the mixture will be

(i) 55˚C

(ii) more than 50˚C but less than 80˚C

(iii) between 30˚C and 50˚C.​

Solution:

Heat flows from an object at higher temperature to an object at lower temperature.

One litre of water at 30˚C is mixed with one litre of water at 50˚C

Volume of both are same

Heat will transfer from higher temperature water to lower temperature water

means from  50°C to 30°C

Hence 50°C temperature will decrease because of heat transferred to 30°C

and 30°C temperature will increase

Hence Temperature will be between 30˚C and 50˚C

One litre of water at 30˚C is mixed with one litre of water at 50˚C. The

temperature of the mixture will be between 30˚C and 50˚C.​

Explanation:

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