TheHopeFullOne
TheHopeFullOne TheHopeFullOne
  • 21-09-2021
  • Chemistry
contestada

Heat conversation:
What is the final temperature?

q= 5750J

M= 455g

C=0.79J/g c

T_i=24.0 c

T_f= ?

Delta t= ?



Respuesta :

Аноним Аноним
  • 21-09-2021

  • First we need del t

[tex]\\ \sf\longmapsto Q=mc\Delta T[/tex]

[tex]\\ \sf\longmapsto \Delta T=\dfrac{Q}{mc}[/tex]

[tex]\\ \sf\longmapsto \Delta T=\dfrac{5750}{455(0.79)}[/tex]

[tex]\\ \sf\longmapsto \Delta T=\dfrac{5750}{359.45}[/tex]

[tex]\\ \sf\longmapsto \Delta T\approx 16°C[/tex]

Now

[tex]\\ \sf\longmapsto \Delta T=T_i-T_f[/tex]

[tex]\\ \sf\longmapsto T_f=T_i-\Delta T[/tex]

[tex]\\ \sf\longmapsto T_f=24-16[/tex]

[tex]\\ \sf\longmapsto T_f=4°C[/tex]

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