Greetings, Mister Principal

Chapter 3: Grey Stone and White Stone

Chapter 3. Grey Stone and White StoneProfessor Claire's idea was actually very simple. She originally wanted the noble principal to strip off his clothes and run around the square ten times, but thinking about the school was full of innocent girls, she couldn't pollute their hearts with that filthy sight. She had to give up and chose such a special punishment plan in the end.

Reiner didn't want to be this world's first drag queen, but fortunately, according to the information currently obtained, he probably would not be punished. On the contrary, he wanted to tease the stubborn young professor a little bit.

"I accepted this proposal, but professor Claire, if Miss Sharon is correct, what would you do? How would you compensate this student?"

Upon hearing Reiner's words, professor Claire frowned slightly. She didn't think she would lose. As she said, most of the alchemy achievements over the past three hundred years were based on the theory of burning the element of fire. This was the cornerstone of modern alchemy.

"What do you want me to do?"

Professor Claire stared at Reiner with a look of disgust, as if thinking of something bad.

"It's very simple. You have to wear a maid outfit for a week."

Reiner knew from his memory that of course there were maids in this world. In fact, he didn't want to embarrass professor Claire, but he should teach her a lesson, so he proposed this with a slightly mischievous condition.

"Maid outfit?"

The men of this era obviously have not developed some strange obsession with the maid outfit. Professor Claire could not understand the original intention of the principal's request, but since it was a maid dress, then it meant that the principal wanted her to serve him like a maid?

Not knowing what strange things came to her mind, professor Claire felt a little troubled and wanted to refuse, but after thinking that she would not lose, she nodded and readily agreed.

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

The three came to a vacant alchemy classroom. Due to the limited funding of the school, there were not many courses in alchemy. Therefore, these classrooms were often used for other purposes.

Reiner was a little surprised. The alchemy equipment of this world looked quite like the equipment in the modern chemical laboratory. Whether it was an alcohol burner or a flask and beaker, it had been standardized, and there were many special-purpose experimental instruments.The experiment was very simple. Calcium carbonate would be heated and decomposed into calcium oxide and carbon dioxide. Reiner was very familiar with the formula. This formula could be found in any edition of junior high school chemistry books on earth.

Because carbon dioxide was soluble in water and had a larger specific gravity than air, it could only be collected by the upward air exhaust method. Reiner assembled the relevant equipment. This seemingly redundant equipment made professor Claire frowned, thinking that he was just pretending.

After weighing the mass of several pieces of Grey Stone, Reiner first pulled out a tube from the sealed container containing Grey Stone and passed it into the bottom of a sealed flask, and then inserted a tube into the upper part of the flask, extending it into the water to verify that gas was indeed generated during the heating process.

Igniting the flame. Since the commonly used alcohol burner couldn't stably heat the Gray Stone to the temperature required for the reaction, Sharon cast an elementary flame spell to assist. This was also when Reiner saw the magic with his own eyes. The burning flame pulsed at Sharon's fingertip, but it did not burn her skin at all. Its appearance changed with Sharon's thought, which was really impressive.

"In this way, at most, this heat will only allow some air to expand so that the tube will make bubbles. You are wasting..."

Before Professor Claire finished speaking, she saw a bubble popping out with a plop from the pipe that reached into the water.

But this was just the beginning. Soon, continuous bubbles appeared from the tube, which was undoubtedly due to the new gas produced in the experimental equipment.

"This......"

Professor Claire was at loss for words,

She stared at the experimental equipment, as if it were some kind of trickery props.Three times in a row, Reiner and Sharon repeated this process, producing three bottles of gas.

Of course, Reiner did not discard the calcined White Stone, which was calcium oxide. He threw it into a beaker filled with water. The white stone immediately made a sizzling sound, emitting white smoke, and quickly dissolved in the water without any trace.

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

Of course, the reason why Reiner prepared this solution was to verify whether his chemical knowledge was consistent with the alchemy knowledge of this world, and there was no doubt that the two were the same. Although Reiner couldn't explain what the so-called magic was, at least he confirmed that the foundation of this world was no different from the earth.

"It can be clearly seen that gas was produced during the experiment, right, Professor Claire?"

Reiner asked, watching the expression of the young dean with interest, and found it very interesting.

Professor Claire was silent, thinking constantly in her head.

According to Master Hohenheim's theory, during the burning process, the fire element in the object was released and turned into flames, and the rest was ashes. There was no mention of the existence of gas. The mass that was lost during the burning process was considered to be the quality of the fire element, but now it seemed that this gas also shared some of it? Or, was this the essence of the fire element?Seeing Professor Claire's silent appearance, Reiner lighted another match and inserted it into the mouth of one of the flasks. The originally strong flame was instantly extinguished. Obviously, this air was not a fire element. On the contrary, it was some kind of gas that could prevent combustion.

Professor Claire was completely speechless.

Reiner didn't stop there. He poured one of the bottles of gas into the liquid that dissolved White Stone. Then the water level in the flask continued to rise. At the same time, the original clear solution became turbid, and it seemed that some gray-white precipitated materials also appeared.

Now even Sharon also felt a little strange. The process of her own experiment had already ended. The rest of it looked like the principal improvised on his own?

Reiner weighed the turbid solution and the mass of the experimental tool, and then subtracted the mass of the tool and the mass of the water. The data obtained were then compared with the mass of the Grey Stone before the experiment. Obviously, if not counting the error of the experimental measurement, the two were almost identical.

"In other words, before and after the experiment, the mass of Grey Stone is separated into the mass of this gas and the mass of White Stone, not the mass of fire element and ash in the fire element combustion theory."

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

First of all, this series of experimental phenomena had a huge impact on Professor Claire. She only felt the world was spinning, then her eyes turned black, and she passed out

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