Please help.! The photo^^
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Physics, 22.06.2019 17:30
Ethanol has a heat of vaporization of 38.56 kj/mol and a normal boiling point of 78.4 c. what is the vapor pressure of ethanol at 14 c?
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What practical value did astronomy offer to ancient civilizations?
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Explain the difference in reactivity of the elements based on their electron configurations.
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