Page 11 - QONITA KURROTUL AKYUN (D0A219009)-TUGAS 14.3 PSPI

IPA – 3.4 / 4.4 / 1 / 1.1
a. Berdasarkan grafik di atas, bagaimanakah kondisi es jika berada di antara A-B, di titik
B, di titik C, dan di titik E!
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b. Apa yang perlu dilakukan agar es berubah posisi dari A- C dan E – C?
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c. Peristiwa apa saja yang terjadi selama proses A-B-C-D-E-F?
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d. Peristiwa apa saja yang terjadi selama proses F-E-D-C-B-A?
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Ayo berlatih!

Agar lebih memahami materi tentang kalor, kerjakan soal berikut ini!
1. Berapa energi kalor yang diperlukan untuk memanaskan 2 kg besi yang kalor jenisnya 460
J/kg C, dari suhu 15 C sampai 100 C?
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2. Perhatikan grafik yang menggambarkan pemanasan 2 kg es.

Jika kalor jenis es 2100 J/Kg C, kalor lebur es 336.000 J/Kg dan kalor jenis air 4200 J/Kg C.
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Tentukan banyaknya kalor yang diperlukan pada proses F ke H!
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3. Sebuah teko listrik diisi air sebanyak 1,5 kg dengan suhu 25°C. Jika kalor yang diserap
12.600 joule dan kalor jenis air = 4.200 J/kg°C, tentukan suhu akhir air tersebut!
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UKBM MTsN 1 Lumajang 10