deondresmith4187 deondresmith4187
  • 14-05-2020
  • Physics
contestada

2 A kovács a meleg vasat a hideg vízbe teszi. A vas
energiája 300 kJ-lal csökkent. Mennyivel nőtt a vízé?​

Respuesta :

znk
znk znk
  • 24-05-2020

Answer:

300 kJ  

Explanation:

There are two energy flows in this process.

Heat lost by iron + heat gained by water =      0

            q₁             +                    q₂              =      0

       -300 kJ        +                     q₂              =      0  

                                                   q₂              = 300 kJ  

The water gained 300 kJ.

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