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8 problems. P1: 'Entropy change when 1000J of heat is added to a system at 500K. ΔS = ___ J/K' (2). P2: 'Entropy change when 2000J of heat is removed from a body at 400K. ΔS = ___ J/K' (-5). P3: 'An ice cube (0.1kg) melts at 0°C (273K). Lf=334000 J/kg. ΔS = ___ J/K' (122). P4: 'Hot reservoir (600K)

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