
Differences between H-H-O and H-O-H - Chemistry Stack Exchange
Jan 14, 2015 · $\ce {H_ {2}O}$ is the water molecule, two hydrogen atoms attached to a central oxygen atom, $\mathrm {C}_ {2v}$ symmetry, thermodynamically minimal structure of these atoms, Adam's …
Is oxyhydrogen lighter than air? - Chemistry Stack Exchange
Oct 27, 2022 · This is a matter of simple calculation. If you don't know how to calculate it, then all this looks like just another reason not to anything like that.
Reaction of potassium with water - Chemistry Stack Exchange
Jun 5, 2019 · The reactions are ongoing this way: Relatively free electrons of potassium reduce water: $$\ce {2 e- + 2 H2O -> H2 + 2 OH-}\tag {1}$$ That leaves metal positively charged. Liquid ammonia, …
Gibbs free energy ΔG=ΔG°+RTln(Kp) different expressions for ΔG
Jan 20, 2019 · ΔG=ΔG°+RTln(Kp) If I understand it correctly, the ΔG in this equation gives the "distance" in Gibbs free energy of a chemical system at a particular moment in a reaction (encoded by the Kp) …
Can natural gas appliances run on Hydrogen? - Chemistry Stack …
Jun 22, 2013 · Pure hydrogen, as opposed to hydrocarbons, degrades metals. $\ce {H_2}$ molecules are tiny, so they wedge themselves into the relatively large metallic crystal structures and form …
Dissolution of sugar in water and its temperature dependence
Jan 6, 2022 · As far as I can remember, I was taught in 6th grade that warm water would dissolve sugar with greater ease than cool water. In 11th grade, I was taught that Hydrogen Bonding is the reason …
Why is the density of water maximum at 4 degree celsius?
Aug 26, 2017 · The occurrence of a maximum indicates two competing factors in different temperature regimes. At low temperatures, directed hydrogen bonding favors a low-density ordered framework; at …
physical chemistry - Why are sigma bonds stronger than pi bonds ...
Jun 19, 2014 · The reason behind this is the orientation of the overlapped orbitals. Sigma bonds result from head-on (co-axial) overlapping while pi bonds are outcome of lateral (para-axial) overlapping. …
Is ethanol an acid or a base or amphoteric?
Apr 17, 2017 · Is ethanol considered to be an acid or a base? Or does it act as an amphoteric species? Is acidity and basicity a relative concept? Also, can someone please explain this on the basis of the …
Colour properties of nickel complexes - Chemistry Stack Exchange
Mar 13, 2023 · According to Crystal Field theory (CFT), complexes with stronger ligands must absorb light with higher frequency hence would transmit corresponding complementary colour. The colour of …