30?0B38BC;8AA410608148:CB J

150 Mudah dan Aktif Belajar Fisika untuk Kelas X 410=G0: 600838?0=0A:0=308 I4=9038 I 8:00AA094=8A08030;07 :0;6I0B0C :6B4=BC:0= 0 10=G0:=G0:0;G0=638B48008B4A41CB30;0:0;8 1 10=G0:=G0:0;G0=638B48008B4A41CB30;09C;4 8 8:4B07C8 6 :0;6I IJ I I 6 :0;6I I :0;8 03810=G0:=G0:0;G0=638B48008B4A41CB030;07 :0;8 1 08:4A4B000=:0;830=9C;438:4B07C8107E0 :0;8 9C;4A478=660 K 9C;4 9C;4 Contoh 7.2 ;4?0A B480 ;4?0A B480 4;0=9CB=G034. 38:4=0;A410608 J termometer pengaduk kalorimeter isolator air 4?B=60;C8=8C140AA0 630=14AC7C I380AC::0=:430;0 608 G0=614AC7C I4=60=4=60108:0=?4BC:00=:0;34=60=;8=6:C=60=78BC=6 AC7C0:7820?C0=98:0:0;94=8A0;C8=8C :630=:0;94=8A08 :6 8 8:4B07C8 08 6 08 I ; 6 ; I 08 :6 ; :6 ;4?0A B480 08 08 6 :6 IJ 6 :6J I JJ I I I 038AC7C0:78A4B4;07B49038:4A4B810=60=B40;030;07I Contoh 7.1 C:C4:4:0;0==468C=BC::0;30?0B3800B834=60=4=6 6C=0:0=A4?4B8B0?0:?030.3 49C;070AA0 H0B20838?0=0A:0=4C380=H0B208B4A41CB380AC::0=:430;0 :0;84B4C7CH0B208B4A41CB38C:C34=60=B44B430=3820B0B 4;0=9CB=G0A49C;070AA0H0B20834=60=AC7CG0=6;41874=307 380AC::0=:430;0:0;84B430=3803C:34=60=?4=603C:78=660 :43C0H0B2081420?C30=40B04C380=AC7CH0B208G0=6B4 20?C 38C:C 30= 3820B0B 4;00 ?4=603C:0= 14;0=6AC=6 B49038 ?4?8=3070=:0;-0B208G0=614AC7C;4187B8=6684;4?0A:0=:0;=G0 A430=6:0=H0B208G0=614AC7C;41874=3074=G40?:0;308H0B 208 G0=6 14AC7C B8=668 A478=660 ?030 0:78=G0 4=20?08 AC7C :4 A4B810=60=G0=638A41CB34=60= 4=CCB 041 -, J 9C;07:0;G0=638;4?0A ;4?0A A00 34=60= 9C;07 :0; G0=6 38B480 B480 4200 0B40B8A?4=G0B00=B4A41CB38BC;8AA410608148:CB Gambar 7.1 Kalorimeter 151 Kalor

5. Perubahan Wujud Zat

4;07=30?4;0908107E0H0B30?0B1414=BC:B860EC9C3G08BC ?030B20830=60A:810B?4=60C7AC7CEC9C3H0B30?0B14C107 308EC9C3?030B4=903820830=3082084=903860A0B0CA410;8:=G0 -0BA4;0;C4=4800B0C4;4?0A:0=:0;A4;00?4C1070=EC9C3 14;0=6AC=6B4B0?8B830:38A4B0834=60=:4=08:0=0B0C?4=CC=0=AC7C 4106082=B7:4B8:04AA430=64=208B49038?4C1070=EC9C3308 ?030B4=9038208030?48AB8E0B4A41CB381CBC7:0=A49C;07:0; B4B0?8B830:38A4B0834=60=:4=08:0=AC7C 4;090838060?030.3 4C1070=EC9C3308208:460A 38A41CBA4AA410;8:=G030860A:420838A41CB A4A ?4C1070= EC9C3 308 ?030B :4 60A 38A41CB . A4A A410;8:=G030860A:4?030B38A41CB.

a. Kalor Uap dan Kalor Embun

8:0=304=4B4A:0=A?88BCA?030:C;8BB0=60=10680=:C;8BG0=6 38B4B4A8A?88BCA0:0=B40A038=68=0;B4A41CB38A4101:0=:0;?030 10680= :C;8B B0=60= G0=6 38B4B4A8 A?88BCA 38A40? ;47 A?88BCA C=BC: 4=6C0?0=G0:=G0:0;G0=638?4;C:0=C=BC:4=6C0?:0=A?88BCA A410=38=634=60=0AA0A?88BCA30=1460=BC=6?030:0;;0B4=C0? :0;C0?A?88BCAB4A41CB 030;07., .30?C=030;07:. , . 0;C0?AC0BCH0BA0014A034=60=:0;41C=H0BB4A41CB8A0;=G0 :0;C0?0:A0 :6:0;41C=0:A0?C= :6 8:0:0;C0?:0;41C=AC0BCH0B030;07C=BC:4=6C0?:0= 4=641C=:0=H0BG0=60AA0=G00:0=44;C:0=:0;A410=G0: Gambar 7.2 Diagram perubahan wujud zat Gas Cair Padat mencair membeku menyublim menyublim menguap mengembun 34=60= 030;07:0;C0? :6 - 4?4;870B:0=B8B8:3838730=:0;C0?1410608H0B ?030B4:0=0= 0BA544;0908B014;B4A41CBH0B0=0:07G0=64 8;8:8:0;C0?B414A0 J Tugas Anda 7.2 Seperempat kilogram es, dengan suhu –10°C, dicampur dengan 2 kg air yang suhunya 20°C. Diskusikan dengan teman sebangku Anda, bagaimana fase akhir campuran tersebut dan berapakah suhu akhir campuran tersebut? - 8B8:838730=0;0?410608-0B0304:0=0= 0B 5 -03 , J J J J

5, ;

K K K K K K K K K K K K K 4;8C 8364= 8B64= :A864= ;:7; 0:A0 8 C;5C 80778B0 =B8= 40: 0A 41060 Sumber: Physics, 1980