raj4444 raj4444
  • 12-12-2021
  • Physics
contestada

Find the heat given off if 1 kg of 125 degree C steam is cooled to 50 degree C water.

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Аноним Аноним
  • 12-12-2021
  • T_i=125°C=398K
  • T_f=50°C=323K
  • c=4184J/kg°K
  • m=1kg
  • ∆T=T_f-T_i=398-323=75K

[tex]\\ \sf{:}\Rrightarrow Q=mc\Delta T[/tex]

[tex]\\ \sf{:}\Rrightarrow Q=1(4184)(75)[/tex]

[tex]\\ \sf{:}\Rrightarrow Q=313800J[/tex]

[tex]\\ \sf{:}\Rrightarrow Q=313.8KJ[/tex]

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