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  • 10 gm of ice cubes at 0 C are released in a tumbler (water equivalent 55 g ) at 40 C . Assuming that negligible heat is taken from the surrounding the temprature of water in the tumbler becomes nea

10 gm of ice cubes at 0 C are released in a tumbler (water equivalent 55 g ) at 40 C . Assuming that negligible heat is taken from the surrounding the temprature of water in the tumbler becomes nearly 

Option: 1

31 C 


Option: 2

22 C 


Option: 3

19 C 


Option: 4

15 C 


Answers (1)

best_answer

As we have learned

Water Equivalent -

w=mc gm

- wherein

Cwater = 1

 

 Heat gained = heat lost 

heat gained = mL + ms (\theta -0)

= 10 \times 80 + 10 \times 1 \times \theta

Heat lost by water = 55 (40 - \theta)

\Rightarrow 800 + 10 \theta = 2200 - 550 \: \: or \: \: 650 = 1400 \\\\ \theta = 22\: C

 

 

 

Posted by

shivangi.shekhar

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