Дано
t₁=16°С
t₂=71°С
m₁=0,01кг
c=4200 Дж/кг°С
q=29*10⁶Дж/кг
_____________
m₂-?
Q₁=qm₁
Q₂=cm₂(t₂-t₁)
Q₁=Q₂
qm₁=cm₂(t₂-t₁)
m₂=qm₁/(c(t₂-t₁))
m₂=(29·10⁶·0.01)/(4200·(71-16))=290000/231000=1.26кг
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Answers & Comments
Дано
t₁=16°С
t₂=71°С
m₁=0,01кг
c=4200 Дж/кг°С
q=29*10⁶Дж/кг
_____________
m₂-?
Q₁=qm₁
Q₂=cm₂(t₂-t₁)
Q₁=Q₂
qm₁=cm₂(t₂-t₁)
m₂=qm₁/(c(t₂-t₁))
m₂=(29·10⁶·0.01)/(4200·(71-16))=290000/231000=1.26кг