Explain why the vapor pressure of water is about 0.053 atm at 356 degrees C, whi
ID: 510664 • Letter: E
Question
Explain why the vapor pressure of water is about 0.053 atm at 356 degrees C, while that of diethyl ether, CH3CH2-O-CH2CH3, is about 1 atm at the same temperature. A. Both molecules are polar and ether is larger so it will have more London dispersion forces which makes the vapor pressure increase B. Both molecules have dipole-dipole interactions, but water also has H-bonding attractions, therefore, the stronger attractive forces of H-bonding cause water to have lower vapor pressure C. Both molecules are nonpolar, but diethyl ether is a larger molecule so it has more LDFs compared to water, therefore, diethyl ether has a higher vapor pressureExplanation / Answer
Answer:-
B. Both molecules have dipole-dipole interactions. but water also has H-bonding attractoins , therefore, the stronger attractive forces of H-bonding cause water to have lower vapor pressure.
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