When good coordination is achieved between the donor and acceptor, hydrogen bonds are formed between the two atoms, between the atom and the group, or between the two groups. Moreover, the strength provided by hydrogen bonds is low compared to that of most covalent bonds, providing the basis...
aDue to the fewer hydroxy groups existing in the system, there were fewer hydrogen bonds formed between PEG and HTCC, so a looser hydrogel structure was formed. 由于存在于系统的少数羟小组,有少量氢键被形成在钉和HTCC之间,因此一个更加宽松的水凝胶结构被形成了。[translate]...
Hydrogen bonds: Hydrogen bonds are formed as a result of the attractive force occurring between a hydrogen atom which is already covalently bonded to a very electronegative atom like oxygen, fluorine, or nitrogen and another very electronegative atom like those. This other atom can be oxyg...
Inset is the schematic diagram of hydrogen bonds formed between the -CONH2 in monomer AM and the -COOH on the surface of PS latex particles. The introduction of AM does not lead to an obvious change in the pH value of the aqueous dispersion solution of PS latex particles, which can ...
The number of hydrogen bonds formed between adenine and thymine and that formed between guanine and cytosine are respectively View Solution number of H-bonds between guanine and cytosine are- View Solution What are isotopes ? Draw the structures of the isotopes of hydrogen. ...
regularly between positionsiandi+4, an alpha helix is formed. When the spacing is less, between positionsiandi+3, then a 310 helix is formed. When two strands are joined by hydrogen bonds involving alternating residues on each participating strand, a beta sheet is formed.(See also protein ...
(Chemistry) a weak chemical bond between an electronegative atom, such as fluorine, oxygen, or nitrogen, and a hydrogen atom bound to another electronegative atom. Hydrogen bonds are responsible for the properties of water and many biological molecules ...
In ammonia (NH3), what type of bond is formed between nitrogen and hydrogen? Explain. Can CH3CH2CH2CONH2 form hydrogen bonds with water molecules? Explain. What are some characteristics of an ionic bond and a chemical bond? Describe and/or explain the nature of an ionic bond and an ionic...
How are hydrogen bonds formed?Hydrogen:Hydrogen is one of the most prominent gases which is formed at the time of the evolution of the earth. It is not present in molecular form. Hydrogen is the most abundant gas found on the earth's surface....
Although hydrogen bonds form between hydrogen and any other electronegative atom, the bonds within water are the most ubiquitous (and some would argue, the most important). Hydrogen bonds form between neighboring water molecules when the hydrogen of one atom comes between the oxygen atoms of its ...