Tolong saya nomor 5
Bingung saya, tolong ajarkan
;)
Bingung saya, tolong ajarkan
;)
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Q lepas = Q serap
m₁ • c • ΔT₁ = m₂ • c • ΔT₂
m₁ • ΔT₁ = m₂ • ΔT₂
230 • (90 - Tc) = 20 • (Tc - 5)
20700 - 230Tc = 20Tc - 200
20700 + 200 = 20Tc + 230Tc
20900 = 250Tc
Tc = 20900/250
Tc = 83,6⁰C
Jadi, suhu akhir campuran adalah 83,6⁰C