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ΔV = 25 * (0,00012 - 3 * 0,000012) * (75 - 25) = 0,105 liter
α.besi = 0,000012/⁰C
γ.cairan = 0,00012/⁰C
t₁ = 25⁰C
t₂ = 75⁰C
Δt = 75 - 25 = 50⁰C
Dit : Volume cairan tumpah (ΔV) = ......?
Jwb : ΔV = V₁ (γ.cairan - 3α.besi).Δt
= 25(0,00012-3x0,000012)x50
= 1250 (0,000120 - 0,000036)
= 0,105 liter