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C es= 2100 J kg-¹°C-¹
L = 336000 J kg-¹°C-¹
C air = 4200 J kg-¹°C-¹
delta T = 50°C
Q1 = m c delta t
Q1 = 0,5 . 2100 . 50
Q1 = 25 . 2100
Q1 = 52500 J
Q2 = m L
Q2 = 0,5 . 336000
Q2 = 168000 J
Q3 = m c delta T
Q3 = 0,5 . 4200 . 50
Q3 = 25 . 4200
Q3 = 105000 J
Q1 + Q2 + Q3 = Qtot
Qtot = 52500+168000+105000
Qtot = 273000 + 52500
Qtot = 325500 J