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 :

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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