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Verified answer
SUHU dan KALOR▶Pemuaian Volume
₁ = alkohol , ₂ = bejana.
V₀ ₁ = 4 L
V₀ ₂ = 95% × 4 = 3,8 L
ΔT = 70°C - 0°C = 70°C
α₁ = 1,1 × 10⁻⁵ / °C
γ₂ = 10⁻³ / °C
Vₜᵤₘₚₐₕ = ???
Volume bejana setelah pemanasan :
Vₜ ₁ = V₀ ₁ (1 + 3α₁ ΔT)
Vₜ ₁ = 4(1 + 3 × 1,1 × 10⁻⁵ × 70)
Vₜ ₁ = 4(1,00231) = 4,00924 L
Volume alkohol setelah dipanaskan :
Vₜ ₂ = V₀ ₂ (1 + γ₂ ΔT)
Vₜ ₂ = 3,8(1 + 10⁻³ × 70)
Vₜ ₂ = 3,8(1,07) = 4,066 L
Maka :
Vₜᵤₘₚₐₕ = Vₜ ₂ - Vₜ ₁
Vₜᵤₘₚₐₕ = 4,066 - 4,00924
Vₜᵤₘₚₐₕ = 0,05676 L
Vₜᵤₘₚₐₕ = 56,76 mL