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Vypočtěte entalpii, entropii a Gibbsovu energii křemene za teploty 100 °C a 500 °C. Použijte následující hodnoty pro křemen: ΔfH298 = -910,9 kJ mol-1; S
298 = 41,8 J K-1 mol-1; cp =44,4 J K-1 mol-1
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