This document discusses heat and temperature. It defines temperature scales like Celsius, Fahrenheit and Kelvin and their conversions. It also discusses concepts like thermal expansion where materials increase in length, area and volume when heat is applied. Equations for calculating thermal expansion are given. The document also covers heat transfer through conduction, convection and radiation. Key concepts covered include specific heat, heat of fusion, heat of vaporization, and the relationship between heat transferred and temperature change.

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 kelvin
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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 suhu
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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

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