(841 Ws x 1500 g x h) ÷ (g x h x 3600 s) = 350 W This indicates that 350 W of heat is needed to evaporate a 1.5-liter flask of ethanol. In terms of energy balance in distillation, 350 W of cooling is ...

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Designed like a running vest, this is a highly technical daypack which is perfect for mixing running and hiking.

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