Chapter 083

Accompanied by Zhou Wenwen's forgiveness, the thunder directly penetrated Chen Zhi.

Chen Zhi was vaporized physically, and Chen Zhi was crushed microcosmically, causing Chen Zhi to die completely, never to be revived again.

The giant snake, which was fighting with the sky knight, suddenly enlarged its pupils when it saw this scene. After a second passed, the giant snake drove the water in the pool to cover itself with magical powers, and flew into the distance.

Zhou Wenwen turned his head and was stunned for a second before realizing what had happened. He immediately pinched his fingers to activate the gossip shield, and released a thunderbolt in the direction of the giant snake's escape.

Perhaps it was because of the continuous firing, the Thunder fired this time, both in terms of energy and power, was lower than last time, and Zhou Wenwen who saw this scene didn't care at first, until he saw that Thunder completely avoided the huge thunderbolt. snake--

I saw the thunderbolt composed of dozens of thunderbolts with thick arms, at a slow speed, completely parallel to the giant snake.

"This is... insulating pure water?!"

Zhou Wenwen, who came from the 21st century, naturally knew how this scene happened, but he was surprised that this situation would "happen naturally".

We who have studied physics and chemistry know that water conducts electricity, but if the water does not contain any substances including minerals, then it is theoretically insulated.

But in reality, this cannot happen, because water cannot be pure.

Pure water is an inorganic compound with a chemical formula of H2O. It is a liquid with a certain structure. Although it is not rigid, its arrangement of molecules is much more regular than that of gaseous water.

In liquid water, the molecules of water do not exist in the form of single molecules, but several molecules associate with hydrogen bonds to form water molecule clusters (H2O), so the orientation and movement of water molecules will be significantly affected by other surrounding water molecules. Influence.

There is no definite structural model for the structure of water, and there are mainly three types accepted by most: mixed type, interstitial type and continuous structure (or uniform structure) model.

It is necessary to know that the reason why water conducts electricity is that there are free electrons in these substances.

Because of the directional movement generated by the action of electric current, the electric current generated during the directional movement is why metal elements conduct electricity.

Because most metals are composed of metal ions, these metal ions are mobile, but people know that the chemical symbol of water is actually a molecule.

Therefore, there are no free particles in normal water, but there are impurities in various substances in ordinary water, so these ions with freely moving ions can form an electric current.

But in distilled water, only water molecules are weak electrolytes, and the ability to conduct electricity is very poor, so there is no way to form a stable free movement after electrification in distilled water.

Then naturally there is no way to conduct electricity, so distilled water is difficult to conduct electricity.

Pure water refers to H2O without impurities.

From an academic point of view, pure water, also known as high-purity water, refers to water with extremely high chemical purity. It is mainly used in the fields of biology, chemical engineering, metallurgy, aerospace, electric power, etc., but its requirements for water purity are quite high, so the general application is the best. The most common is the electronics industry.

For example, the pure water used in the power system requires the content of impurities to be as low as "micrograms per liter".

At the beginning of the 20th century, German physical chemist W. Nernst concluded from the study of the nature of chemical reactions at low temperatures: the entropy of the condensate system, in the reversible isothermal process, will tend to zero as the absolute temperature tends to zero, which is called to Nernst's theorem.

According to Nernst's theorem, the entropy of the condensed system tends to a constant value S0 as the thermodynamic temperature tends to zero.

In order to determine this entropy constant, M. Planck proposed a hypothesis S0=0 in 1911.

The value of entropy thus determined is called absolute entropy.

Since the heat capacity is positive definite, the absolute entropy of the system S≥0. Planck's hypothesis can find a reasonable explanation from modern quantum theory: a system that reaches the absolute zero equilibrium state is in a state of minimum energy. ???

This is a highly ordered state, and the corresponding thermodynamic probability W=1, so S0=0 can be obtained by applying the Boltzmann entropy formula.

In 1912, Nernst drew another conclusion from Nernst's theorem: it is impossible to cool an object to absolute zero through a finite number of procedures.

This is the famous absolute zero non-reachable principle.

Thermodynamics of irreversible processes is a branch of macroscopic physics. Also known as non-equilibrium thermodynamics.

Specialize in the study of thermodynamic systems in non-equilibrium state, the nature of the irreversible process that occurs when it tends to equilibrium and the basic laws that must be followed in its evolution.

Irreversible processes usually occur in open systems, where both energy and matter are exchanged between the outside world and the system.

The macroscopic thermodynamic quantities describing the state of the system are functions of space and time, and they are only related to space when a steady state is reached.

But the evolution of the process is always accompanied by the increase of the system entropy. Studies have shown that for non-equilibrium systems that are not far from equilibrium, the stable state plays the same role as the equilibrium state in an isolated system.

Because the latter has the largest entropy, while the former has the smallest entropy increase rate.

The increase in entropy per unit volume per unit time is called the entropy increase rate of the system.

In the production of pure water, the indicators specified in the water quality standards should be determined according to the production process of electronic (microelectronic) components (or materials) (for example, it is generally believed that the size of the particulate matter that causes circuit performance damage is its line width 1/5-1/10 of that).

However, due to the complexity of microelectronics technology and various factors affecting product quality, there is still no complete water quality standard suitable for a certain circuit production obtained from process tests.

With the continuous revision of electronic grade water standards ~lightnovelpub.net~ and many breakthroughs and developments in the field of high-purity water analysis, the continuous application of new instruments and new analysis methods have created conditions for the development of pure water production processes.

Since the thunder and lightning couldn't hit, Zhou Wenwen had no choice but to give up the pursuit, canceled the casting, let the giant snake escape into the ruins of the building, and turned his head to stare at the pool.

That's right, the reason why Zhou Wenwen gave up pursuing was because he sensed something from the pool, and Zhou Wenwen couldn't find it through a pile of water before.

And thanks to the giant snake, the water in the entire pool was sucked away, revealing what was hidden in the pool, a half-meter-long and two-meter-high portal with a blue curtain shining.

It was also at this time that Zhou Wenwen understood why the water in the pool was so deep. The reason was that the water came from the portal, and obviously the other side of the portal was in the sea or a lake, or underground.

Deducing this result from the existing conditions, although Zhou Wenwen was a little relieved, he was also a little uneasy. It always felt bad to let a portal leading to an unknown place be here.

Zhou Wenwen waved and called, "Tith, the Palace of Doom!"

next moment......

 …

to be continued

Chapter 084 Foretelling the Adventure of the Unknown World

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