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entropy

2020-04-22View Original

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I’m in a rush to finish my paper; anyone who knows how to do this, please help me. I’d be extremely grateful! When performing thermodynamic calculations using the Benson group contribution method, standard entropy is required, but the entropy values obtained from Aspen are all negative. Is there any way to make them match the values used in the textbooks? Where can I find the standard entropy of pure substances, preferably on a website? I hope someone can help solve this; I’m writing a paper and I’m extremely anxious

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