Chapter 3

In fact, Claire's idea is very simple. She originally wanted the noble headmaster to take off his clothes and run around the square for ten times, but when she thought that the school was full of pure girls, she could not pollute their hearts with that filthy scene, so she had to give up and choose such a special punishment scheme.

Lena doesn't want to be the first woman in the world, but fortunately, according to the information he has, he should not be punished. On the contrary, he wants to play a trick on this stubborn young teacher.

"I accepted the proposal, but Mr. Claire, if Charlotte is right, what can you do? How can you compensate the student?"

When she heard Lena's words, teacher Claire frowned slightly. She didn't think she would lose. As she said, most of the achievements in the past three hundred years were based on the theory of fire element combustion, which is the cornerstone of modern alchemy.

"What do you want me to do?"

Mr. Claire stares at Lena with a disgusting look, as if thinking of something bad.

"It's very simple. In exchange, you have to wear a maid's dress for a week."

Through memory, Lena knows that there are certainly maids in this world, and they are also maids with pure meaning. In fact, he didn't want to embarrass teacher Claire, but he should also give her a taste of hardship, so he put forward this slightly evil request.

"Maid dress?"

It is obvious that men in this era have not yet awakened to that strange habit. Teacher Claire can't understand the original intention of Lena's request. But since it is a maid's dress, does it mean that Lena wants to serve him like a maid?

I don't know what strange thing she thought of. Teacher Claire was a little embarrassed and wanted to refuse. But on second thought, how could she lose, she nodded and readily agreed.

"Well, let's experiment to see who's right."

The three came to an empty alchemy classroom. Due to the limited funds of the school, there are not many alchemy courses. Therefore, these classrooms are often used for other purposes.

Lena was a little surprised that the alchemy equipment of this era had already possessed the style of modern chemical laboratory. Both the alcohol lamp and the flask and beaker had become the standard, and there were many special experimental instruments.

The experiment is very simple. Calcium carbonate is decomposed into calcium oxide and carbon dioxide by heating. Lena is very familiar with the formula, which can be found in any edition of junior high school chemistry book on earth.

Because carbon dioxide is soluble in water and has a larger specific gravity than air, it can only be collected by the upward exhaust air method. Lena assembled the relevant equipment, which seemed redundant. Teacher Claire frowned and thought that he was just making a mystery.

After weighing several pieces of limestone, Lena first pulled out a tube from the sealed container containing limestone and put it into the bottom of a sealed flask, then inserted another tube into the upper part of the flask and extended it into the pool to verify that gas was generated during the heating process.

To ignite the flame, because the commonly used alcohol lamp can't stably heat the limestone to the required temperature for reaction, Charlotte assisted in casting a primary flame technique. This is also the magic that Lena saw with his own eyes. The hot flame leaped at Charlotte's fingertips, but it didn't burn her skin at all. And with Charlotte's mind changing, it was really impressive.

Although he was a little curious, Lena didn't want to expose his crossing at will and was pulled by the mages to observe, so he restrained the idea of exploring the magic mystery.

"When heated in this way, at most, only some air will bubble out of the catheter because of its thermal expansion. You are in vain..."

before Mr. Claire finished speaking, he saw the catheter in the pool, and a bubble came out with a plop.

But this is just the beginning, and very soon, a continuous stream of bubbles emerged from the tube, no doubt due to the generation of new gas in the experimental device.

"This..."

teacher Claire was speechless. She stared at the experimental device as if it were some kind of magic prop.

Three times in a row, Lena and Charlotte repeated this and made three bottles of gas.

Of course, Lena did not discard the calcined white rock, that is, calcium oxide. He threw it into a beaker filled with water, and the white stone immediately made a Zizi sound, emitted white smoke, and soon dissolved in water and disappeared.

Calcium oxide reacts with water to form calcium hydroxide solution. In chemistry, one of the biggest uses of this solution is to test carbon dioxide.

Of course, the reason why Lehner prepared this solution is to verify whether his chemical knowledge is consistent with the world's Alchemy knowledge. There is no doubt that the two are the same. Although Lehner still can't explain what the so-called magic is, at least he confirmed that the foundation of this world is no different from that of the earth.

"It's clear that in the course of the experiment, gas is produced, isn't it, Mr. Claire?"

Asked Lena, looking with interest at the young Dean's expression, and finding it very interesting.Teacher Claire was silent, thinking in her head.

According to master Hohenheim's theory, in the process of combustion, the element of fire in the object is released to become a flame, and the rest is ash. However, the existence of gas is never mentioned. The mass reduced in the process of combustion is usually considered to be the mass of the element of fire, but now it seems that this kind of gas also has a part? Or is this the essence of fire?

Seeing that Mr. Claire was silent, Lena lit another match and poked it into the mouth of one of the flasks. We could see that the original vigorous flame went out in an instant. It was obvious that the air was not a fire element, but a kind of gas that could prevent combustion.

Mr. Claire is completely speechless.

Lena didn't stop. He poured one of the bottles of gas into the liquid that dissolved the white rock, and then he saw the water level in the flask rising. At the same time, the originally clear solution became turbid, as if there were gray precipitates.

Now even Charlotte feels a little strange. Her own experiment has just ended, and the rest seems to be played by the headmaster himself?

leas like as two peas weighing the quality of the turbidity solution and the experimental device, and subtracting the quality of the separate device and the water quality, the data obtained are obviously easier to compare with the quality of the limestone before the experiment, and the errors of the experimental measurement are almost identical.

"That is to say, before and after the experiment, the mass dispersion of limestone becomes the mass of this gas and the mass of white rock, rather than the mass of fire and ash in the theory of fire element combustion."

Reiner concluded that he is very clear that the theory behind this experimental phenomenon is the most common and important basic law in nature, and it is one of the cornerstones of the progress of civilization on earth. Although he does not know much about the development of the world, Reiner also believes that this law will play a vital role in the future development.

First of all, this series of experimental phenomena had a huge impact on teacher Claire. She only felt dizzy and dizzy.

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