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helperbrain
@helperbrain
July 2022
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На сколько С° нужно нагреть 10 млн. т воды, чтобы ее масса увеличилась на 1 г? Удельная теплоемкость воды равна4200 Дж/кг•К.
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sokolovvovikn
Verified answer
Q=dE=dm*c^2=10^-3*9*10^16=9*10^13 Дж
Q=C*m1*dt
dt=Q/C*m1=9*10^13/4200*10*10^9=2,1 K
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Verified answer
Q=dE=dm*c^2=10^-3*9*10^16=9*10^13 ДжQ=C*m1*dt
dt=Q/C*m1=9*10^13/4200*10*10^9=2,1 K