Scientific

Kapasitas Panas Spesifik

Definisi

Jumlah energi yang diperlukan untuk menaikkan suhu 1 kg suatu zat sebesar 1°C (atau 1 K).

Penjelasan

Water has an exceptionally high specific heat capacity of 4,186 J/(kg·K), which is why oceans moderate coastal climates and why water is used in radiators. By contrast, copper is only 385 J/(kg·K), meaning it heats and cools far more rapidly. This property governs everything from cooking times to engine cooling system design.

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RELATED TERMS

Nol Mutlak

Suhu terendah yang mungkin ada: 0 K, -273,15°C, atau -459,67°F.

Kalori

Satuan energi; kalori kecil (kal) memanaskan 1 g air sebesar 1°C, sedangkan Kalori makanan (kkal) sama dengan 1.000 kalori kecil.

Bilangan Mach

Rasio kecepatan suatu benda terhadap kecepatan suara di medium sekitarnya.

Tahun Cahaya

Jarak yang ditempuh cahaya dalam satu tahun di ruang hampa: sekitar 9,461 triliun kilometer.

Elektronvolt

Satuan energi sama dengan energi kinetik yang diperoleh elektron yang dipercepat melalui beda potensial 1 volt.