Convert from Pa to Pa to J/dm^3 - Chemistry Stack Exchange
2015年10月29日 · SI prefixes may be used in forming the decimal multiples and submultiples of units. Note that, when SI prefixes are used with SI units, the resulting units are no longer coherent, because a prefix effectively introduces a numerical factor. 1 m 1 m3 1 m3 1 J m3 1 Pa 1000 Pa = 10 dm = 1000 dm3 = 1 1000 dm3 =0.001 1 dm3 = 0.001 J dm3 = 0.001 J dm3 ...
Why does liquid water form when we exhale on a mirror?
2019年3月11日 · The physical reason by BowlOfRed and the comment by jpa (on the main question) do make sense. If a molecule of water has enough kinetic energy to escape from ice crystal but remains bound as liquid, it is so close to the ice that it would settle back quickly.
everyday chemistry - Sugar solutions have a neutral pH in …
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Why is a C4 ring impossible? - Chemistry Stack Exchange
2023年3月22日 · A four C ring does exist in many compounds, but it is not possible for double bonds. Cumulated double bonds C=C=C C = C = C must be linear, in 1 line. They can be bent a little, but it would cause the strain in the bonds, causing instability. They definitely cannot be bent in right angles. The right angle geometry excludes possibility of ...
How can I identify the material of this mystery gear?
2024年4月22日 · $\begingroup$ Of course, I expect it is an alloy, functional parts aren't generally elemental. As you rightly say, dissolving in nitric acid isn't practical (for one, I don't have any nitric acid!).
Why does diamond conduct heat better than graphite?
2019年4月19日 · 32. Diamond is one of the best thermal conductors known, in fact diamond is a better thermal conductor than many metals (thermal conductivity (W/m-K): aluminum=237, copper=401, diamond=895). The carbon atoms in diamond are spX3 s p X 3 hybridized and every carbon is bonded to 4 other carbon atoms located at the vertices of a tetrahedron.
software - Any free tool for Calculating Gasteiger-Hückel charges …
2015年4月21日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.