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Rumus suhu dan kalor
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Rumus suhu dan kalor

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  • 1. SUHU DAN KALOR 01. C R F K Td 100 80 212 373 C = celcius R = reamur Air 100 80 180 100 F = fahrenheit tk = suhu dalam kelvinhttp://www.banksoal.sebarin.com Tb 0 0 32 273 tc = suhu dalam celsius C:R:F=5:4:9 tK = tC + 273 Contoh : X Y Tb -20 40 X : Y = 150 : 200 =3:4 60 ? 4 (60 + 20) + 40 = … 3 Td 130 240 Menaikkan suhu Sifat termal zat diberi kalor (panas) perubahan dimensi (ukuran) Perubahan wujud 02. Muai panjang. ∆L = perubahan panjang α= koefisien muai panjang L = Lo .  . t Lo = panjang mula-mula ∆t = perubahan suhu Lt = Lo ( 1 +  . t ) Lt = panjang saat to ∆A = perubahan luas Ao = luas mula-mula 03. Muai luas. β= koefisien muai luas ∆V = perubahan volume A = Ao .  . t Vo = Volume awal γ= koefisien muai volume At = Ao ( 1 +  . t ) 04. Muai volume. V = Vo .  . t Vt = Vo ( 1 + .  . t )
  • 2. =2 } = Q = kalor =3 m = massa c= kalor jenis t = perubahan suhuhttp://www.banksoal.sebarin.com 05. Q = m . c. t H = perambatan suhu 06. Q = H . t 07. H = m . c 08. Azas Black. T1 Qdilepas Qdilepas = Qditerima TA Qditerima T2 09. Kalaor laten Kalor lebur Q = m . Kl Kl = kalor lebur Kalor uap Q = m . Ku Ku = kalor uap 09. Perambatan kalor. Konduksi Konveksi Radiasi k . A.t H= H = h . A . t I = e .  . T4 l -----o0o----- A = luas k = koefisien konduksi l = panjang bahan h = koefisien konfeksi I = Intensitas e = emitivitas bahan σ = konstanta Boltzman T = suhu
  • 3. http://www.banksoal.sebarin.com