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One.
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Do hydrogen bonds exist between water molecules?
Yes they do.
What regions are a hydrogen bond a weak attraction between?
Hydrogen bonds are the strongest intermolecular bond, as opposed to intramolecular bonds (ionic, covalent and metallic). They are therefore comparatively weak (these are what is broken when a substance becomes gaseous). Intermolecular bonds exist, as the name suggests, between molecules.
Why couldn't hydrogen exist with oxygen in the atmosphere?
Hydrogen and oxygen can coexist in the atmosphere, but they do not form water spontaneously. This is because the reaction between hydrogen and oxygen to form water requires an input of energy to break the chemical bonds in the molecules. In nature, this reaction typically occurs in the presence of a spark or flame, initiating a combustion reaction.
Which base pair is harder to separate?
C and G are harder to separate than A and T because 3 hydrogen bonds exist between the bases C and G while only 2 hydrogen bonds exist between A and T.
Is CH3Ch3OH covalent?
Yes, CH3OH (methanol) is a covalent compound. It consists of covalent bonds between carbon and hydrogen atoms, as well as carbon and oxygen atoms.
What contains coordinate covalent bonds HCl HFl H20 or H30 1?
HCl and H20 contain coordinate covalent bonds. HCl is formed by sharing of an electron pair between hydrogen and chlorine, while H20 contains two coordinate covalent bonds between oxygen and hydrogen atoms. HFl and H30 do not exist as chemical compounds.
What is the weak attractive forces which exist between water molecules?
The weak attractive forces between water molecules are called hydrogen bonds. These bonds form between the slightly positively charged hydrogen atoms of one water molecule and the slightly negatively charged oxygen atoms of neighboring water molecules. Hydrogen bonds are responsible for many of water's unique properties, such as high surface tension and cohesion.
Is a hydrogen bond covalent?
Hydrogen bonds and covalent bonds are two completely different things. Covalent bonds share an electron, while hydrogen bonds (just for water molecules) act like magnets- the Oxygen atom has a slight negative charge and it "attracts" the Hydrogen atoms, which have a slight positive charge.
How many total hydrogen bonds would exist between the dna strand and its complementary strand 5'ACTCTAG 3'?
There would be 13 hydrogen bonds formed between the DNA strand 5'ACTCTAG 3' and its complementary strand. Each adenine forms two hydrogen bonds with thymine, and each cytosine forms three hydrogen bonds with guanine.
The weakest bonds in a double-stranded molecule of deoxyribonucleic acid exist between the WHAT?
The weakest bonds in a double-stranded molecule of deoxyribonucleic acid exist between the nitrogenous bases of the two strands. These bonds are hydrogen bonds, which form between specific complementary base pairs (adenine with thymine, and guanine with cytosine).
What IMF are present in sucrose?
Here hydrogen bonds exist.
Does Hydrogen and oxygen exist naturally as three-atom molecules?
Hydrogen can't exist as a three-atom single-element molecule no matter what you do to it - it has only one bonding site. If you stick an atom with two bonding sites between the hydrogen atoms you can pull it off, but this isn't a question about water. Oxygen can naturally exist as a three-atom molecule - it's ozone.
