Hydrogen Bonding in Water

To understand hydrogen bonding in water we need to know that water is a polar molecule. This means that it has a positive and a negative "side".

Because the O atom in H2O is more electronegative the shared electrons will spend more time closer to the O. Since electrons are negative this means the O atom will have a negative charge. Therefore the H atoms will be positive.

Hydrogen bonding occurs when the negative side of one water molecule is attracted to the positive side of another molecule. This attraction forms a hydrogen bond.

Hydrogen bonds are weak compared to covalent and ionic bonds. Despite being weak they result in may of the unique properties associated with water. For example surface tension, cohesion, and a higher boiling point.

[mayanah]

So helpful! Especially to see how frozen water forms crystals. Thank you!

[anurag]

i got 99 in my 12th class chemistry, 1 mark deducted coz i wrote cast iron instead of wrought iron totally missed it . I m mhere to refresh my memory. love this subject.

[ryanarchuleta]

I was always grasped that water exapands when it freezes but I never really understood the mechanics behind it. Showing how it makes almost a honeycomb pattern when the molecules freeze in place (I know they still vibrate but mostly stay put) really make it clear why ice is less dense than water. It probably seems like common sense, but typically things actually become more dense in a solid form so it's neat.

[scisarah]

Hey! Firstly I wanted to thank you for your videos. I have a lot of interest in Chemistry yet I find reading a textbook to be less than effective for me. This very much helps me understand concepts! Aside from this, I wanted to ask a more fundamental question on why water (H2O) is polar? I understand because of the displacement of charge, yet why is it bent in such a way? I vaguely remember learning about London Dispersion Forces yet I can't remember why that occurs. By any means, informative video- and thank you again!

[herojack]

First, I really like to appreciate your idea of making simulation and given them proper or approximate value to the molecule, electrons and protons. It's helps me to visual our surroundings and how it works and Thanks brother for the information now i got some ideas about how bonding works in hydrogen atom.

[geoffmorris]

Thank you for this fantastic video. I'm currently doing biology 12, and it really helps me understand how molecules and hydrogen bond work.😊

[jane_edits.]

Hi Dr B.! I just watched this video and it is really helpful!

[miriamambe]

Thanks. It was very clear being able to see the action of the molecules visually

[DarkskinKu]

Love the poll questions leading me to these videos as little reminders about topics and this is perfect because im enhancing both chemistry and and biology knowledge

[malikceo]

Better explained than my prof. greetings from Germany!

[ibnulislamzarif]

Thanks a lot I couldn't understand the concept of HB in both water and ice but this video helped me a lot. Thanks for explaining it in simulation. I couldn't understand it from my textbook but you man surely did cleared a lot of my confusions.

[kitties]

Best video for hydrogen bonding. Thanks a lot Sir!

[officialkirlyqueen]

Thank you sir.This really helped me a lot

[roroh]

I love your videos! They make me enjoy learning Chemistry. Thank you!

[prof.paulosantiago]

Brilliant!

Would it be possible to simulate the behavior of water and hydrogen bonds between 280K - 270K? I'm wondering how it would look like.

[simranartsamritcreations]

Sir video is very nice and very helpful

[simranartsamritcreations]

Sir please make a video on Lewis dot structure. Sir, I have many doubts on this topic. And I am sure you will clear my all doubts.

[aadityavilassharma]

thanks for the simulation sir... but why does hydrogen bond break during high temperature? does temperature effect the charge to get weaker?

[gardenmenuuu]

Hey sir just want to ask u one thing, which software did u use for these animations>I too wanna try out just to learn as we learn by doing.Is it python code?Or something else?

[deez]

very helpful, knowing my teacher harmae