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1.На сколько изменится температура воды массой 22кг,если ей передать всю энергию выделившуюся при сгорании керосина массой 10г?
2.сколько воды взятой при температуре 140с можно нагреть до 500 с ,сжигая спирт массой 30г?
Ответы 1
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1. оформите сами.
Q₁=q*m₁
Q₂=m₂*c*Δt
нам требуется найти Δt.
Q₁=4,6*10⁷ * 32=1472*10⁶(Дж)
Q₁=Q₂
Δt=Q₁:m₂*c
Δt=(1472*10⁶):(0,02*4200) там уже сами найдете, я вам даю только решение
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Автор:
loki6 - 5 лет назад
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