Hydrogen Bonds

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Questions

• Question #fcbe8
• How do the two strands of DNA stay together?
• Question #81671
• Why is hydrogen bonding important?
• How many atoms can hydrogen bond with carbon?
• How does hydrogen bonding affect vapor pressure?
• How does hydrogen bonding affect the boiling point of water?
• How does hydrogen bonding affect the melting point?
• How do hydrogen bonds affect solubility?
• How are hydrogen bonds related to the properties of water?
• How are hydrogen bonds related to cohesion?
• How are hydrogen bonds different from covalent and ionic bonds?
• How do hydrogen bonds contribute to the structure of DNA?
• What are some common mistakes students make with Hydrogen bonds?
• What is a Hydrogen bond?
• What are some examples of Hydrogen bonds?
• Which substance in each pair of liquids would you expect to be less volatile? Why? butane or water, NH3 or NH2OH, CH3OH or CH4
• Which of the following molecules may have hydrogen bonds between other molecules of the same kind? CH3F, CH3NH2, CH3OH, CH3Br
• Question #fa082
• Question #6fda7
• Do ethers and esters form hydrogen bonds with water and with themselves?
• Why are peptide bonds important for the secondary structure of proteins?
• Question #fb21f
• Question #58042
• The liquefied hydrogen halides have the normal boiling points given above. The relatively high boiling point of HF can be correctly explained by which of the following?
• Hello. Can someone help me with drawing hydrogen bonds among different molecules, with an example below? I understood how water molecules are linked to each other by hydrogen bonds. But I have a problem drawing these bonds in other biomolecules. Thanks!
• Question #dcae6
• Question #480b8
• Why are hydrogen bonds associated with water (H2O), but not with methane (CH4)?
• Question #1ae36
• What is the #"acidium species"# in water?
• Why are alcohols generally more involatile than ketones, and aldehydes?
• What kind of molecule can experience hydrogen bonding?
• What kinds of substances besides water can be involved in hydrogen bonding?
• Question #5f606
• Why is the melting point of sodium chloride so high as compared to that of phosphorus trichloride?
• What is the most significant force that attracts water molecules to each other?
• How is hydrogen in heavy water different from hydrogen in normal water?
• Question #c2a4d
• Question #e2639
• Is hydrogen bonding a manifestation of bond polarity?
• Question #27272
• What is the name of the bond that joins amino acids?
• Are hydrogen bonds formed between all molecules?
• Why does not hydrogen-bonding occur in diethyl ether?
• How does #"hydrogen bonding"# affect #"normal boiling points"#?
• What is the energy of an electron in the hydrogen atom determined by?
• Question #005cf
• What are hydrogen bonds?
• What is the typical valency of hydrogen?
• Question #c7391
• Why does #HI# have a higher boiling point than #HBr#, and #HCl#?
• Question #013b0
• Question #8d419
• Question #6fc31
• Question #b9d2f
• Question #c4f10
• Question #fbcb6
• Question #b1d48
• What elements must be bonded to hydrogen in order for hydrogen "bonding" to occur between the molecules?
• Question #a115b
• Question #83b35
• For each molecule of sulfuric acid, how many hydrogen ions are released in water?
• Describe a hydrogen-bond. What conditions must exist for a hydrogen-bond to form?
• Question #efa5d
• Where, and how does hydrogen-bonding occur? Does such bonding occur in #HCF_3#?
• Are hydrogen bonds the bonds between adjacent water molecules?
• Which of the following ions would be expected to have the greater energy of hydration, #Mg^(2+)# or #Al^(3+)#?
• What type of compound forms hydrogen ions in solution?
• Question #45d03
• What is the origin of #"hydrogen-bonding"#?
• Can the normal boiling points of alkanes versus alcohols be related to their structural properties?
• What are the six properties of water that result from hydrogen bonding?
• Question #d336b
• In which solvent does hydrogen-bonding operate most strongly? #"A. ethyl alcohol; B. methyl alcohol; C. diethyl ether; D. tetrahydrofuran?"#
• In which of the following materials is hydrogen-bonding absent?
• In which substance does hydrogen-bonding NOT feature as an intermolecular force?
• Hydrogen bonding is of two types - t Intramolecular and intermolecular Am I right ?
• For polar molecules, when does hydrogen bonding occur?
• Question #83c78