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what is the entropy variation of 1,000 grams of water when raised from freezing point to boiling temperature?

2007-01-31 04:54:57 · 1 answers · asked by zizi m 1 in Science & Mathematics ➔ Chemistry

1 answers

dQ = TdS

delta S = integral (dS) = integral (dQ/T)

dQ = C_water * m_water * dT

delta S = C_water * m_water * integral (dT/T)
= 4.2 kJ/K * ln(373K/273K) = 1.3 kJ/K

2007-02-02 03:27:27 · answer #1 · answered by Alexander 6 · 0⤊ 0⤋

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