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n= 10 mol
T= 500 K
k= 1,38x10⁻²³ J/K
Nₐ= 6,02x10²³
ditanya:
U=...?
jawab:
~jumlah partikel
N= n.Nₐ
N= 10 × 6,02x10²³
N= 6,02x10²⁴ molekul
~utk energi dalam pada suhu 500 K gunakan rumus utk suhu sedang
U= 5/2(NkT)
U= 5/2(6,02x10²⁴ × 1,38x10⁻²³ × 500)
U= 5/2(41.538)
U= 103.845 kJ