Questions and Answers
Which intermolecular force specifically involves the attraction between a partially positive charged hydrogen atom and a lone pair of electrons from a highly electronegative atom?
Hydrogen bonds
What is the phenomenon where liquid molecules escape into the gaseous state at the surface called?
Evaporation
What is the unit of viscosity in the SI system of measurement?
$Nsm^{-2}$
What type of intermolecular force occurs among nonpolar molecules like H$_2$, He, and Ne?
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At what temperature does the vapor pressure of a liquid equal the atmospheric pressure?
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What is the reverse process of evaporation where gas molecules transform into liquid state?
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What determines the energy required to stretch the surface of a liquid by unit area?
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Which phenomenon involves the rise of water in a capillary tube due to its small surface area?
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Which heat quantity is needed to convert one mole of solid completely into liquid at its melting point?
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What causes abnormal behavior in water below $4^\circ$C?
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