Talk:Thermodynamic entropy
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Is the cup of tea really a closed system if it's losing heat to the room? 81.153.173.244 (talk) 03:54, 1 August 2013 (UTC)
Is the cup of tea really a closed system if it's losing heat to the room? 81.153.173.244 (talk) 03:54, 1 August 2013 (UTC)[reply]