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Q₁ = m • c • ΔT
= 10 • 2000 • 2
= 40.000 J
= 40 kJ
* Proses peleburan es
Q₂ = m • L
= 10 • 300.000
= 3000.000 Joule
= 3000 kJ
* Proses dari 0⁰C sampai 100⁰C
Q₃ = m • c • ΔT
= 10 • 4000 • 100
= 4000.000 Joule
= 4000 kJ
* Proses penguapan air
Q₄ = m • U
= 10 • 500.000
= 5000.000 Joule
= 5000 kJ
Q total = 40 + 3000 + 4000 + 5000
= 12.040 kJ
Jadi, kalor total yang diperlukana adalah 12.040 kJ