QUESTION 15 1 points Save Answer Model Surface Tension Glass is composed primari

Question

QUESTION 15 1 points Save Answer Model Surface Tension Glass is composed primarily of a polymer of SiO2. lts surface has very mamy -O and some -oH units exposed to its surroundings. When water is placed into a glass container, it climbs the walls producing a concave meniscus. When mercury atoms are placed into a glass container the opposite effect occurs, the mercury appears to be repelled producing a convex meniscus. water mercury What types of van der Waals forces are primarily responsible for water "climbing the walls of a glass container? dipole-induced dipole forces London dispersion forces O dipole-ion forces hydrogen bonding

Explanation / Answer

Question 15) Hydrogen bonding.

    Hydrogen bonds formed between H atoms in water and oxygen atoms in silicates.

Question 9

molecules with dipole-dipole forces

H2O, H2S, HF, NH3, HCl, HBr, HI,

Question 16

London dispersion forces.

Question 17

London dispersion force attraction between mercuty atoms is stronger than attraction force between mercury atom and glass.

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