(Thanks to the monthly ticket for "It's hard to be a national scholar" and "I want to travel through chaos" for support! Thank you here!)

The water was pouring on the capacitor, and the high-frequency electricity amplified by the coil suddenly had a short circuit. The water was electrolyzed, and hydrogen and oxygen were generated. Under the action of the electric spark, a slight explosion occurred. Wang Qinian was startled, and Xiaoshuang was also frightened and quickly fled back to her hut, secretly watching all this. She didn't understand how the explosion occurred.

Wang Qinian really didn't expect that Xiao Shuang was just a joke, without any malice, so his spiritual god did not call the police. He was startled and turned on the light and found that everything was in a mess. He dared to turn off the switch tightly, looked at everything in front of him, and was about to get angry, but suddenly he smiled.

It turned out that he thought of the electrolysis of water. Isn’t this the electrolysis of water? He simply did an electrolysis experiment of water.

He rearranged the experiment, and the equipment was insufficient, so he couldn't help but make it. He was busy here. Xiaoshuang felt very strange. Why was there no movement? Could it be that the lich was watered to death by a glass of water? It was impossible. The contract was fine. He was fine. He was not angry. It was strange. She slowly stretched out her head.

Seeing the bright lights in the laboratory, she couldn't help but feel curious, so she flew out, went to the door of the experiment, and found that Wang Qinian was busy in it, erecting two long glass tubes, and the two tubes were connected to each other. A metal wire was extended into the water above the tube, and there was a tube above the tube to direct the gas into the gas collection cylinder. The gas collection cylinder was immersed in the water, with the mouth of the bottle facing down, and the bottle was filled with water.

As soon as she flew in, Wang Qinian pointed her hand. She was fixed in the air. It was impossible to speak. Wang Qinian didn't take a look. She closed the switch and the water began to simmer, but the speed was very slow. Wang Qinian slapped her head and added a little sulfuric acid to it. The water bubble suddenly became violent. After a while, the drainage method collected gas.

Wang Qinian turned off the switch, and then pointed his hand and lifted Xiaoshuang's body fixation technique. Xiaoshuang's freedom was restored and said angrily: "Die Lich, smelly Lich. What bad thoughts do you think when you fix yourself in the air?"

Wang Qinian smiled: "If you don't set you in the air, you made trouble again when I was doing the experiment. This experiment has certain dangers, for your own good."

Xiao Shuang flew to the top of the gas collection cylinder and said, "What kind of gas is collected here? What happened to the bubble just now?"

"What I collect here is an extremely light gas, which I call hydrogen, and the other bottle is oxygen, and water is composed of elements of these two gases." Wang Qinian explained.

"The volume of these two gases seems to be only half of the other, what is the reason?" Xiaoshuang discovered another strange problem.

"The composition of water is that the hydrogen-oxygen ratio is 2 to 1, which is not surprising. But this is just a guess. I want to measure it accurately below." Wang Qinian said.

"Water is made up of hydrogen and oxygen, it's incredible."

"No, water should be composed of hydrogen and oxygen, not hydrogen and oxygen." Wang Qinian said. If he had a conversation with Xiaoshuang, it would be bad if others heard it. After all, hydrogen and oxygen have not been verified yet.

Xiao Shuang ignored these things and pointed to the instrument and asked, "What device is this?"

"This is an electrolytic device. I call it anode connected to the positive electrode of the battery. Oxygen precipitates from this electrode. The cathode connected to the cathode of the battery is the cathode, and hydrogen precipitates from this electrode." Wang Qinian explained in detail.

While explaining, he kept busy weighing the mass of the gas, and weighed it in conjunction with the gas collecting cylinder. After weighing it, he recorded the data. He also temporarily refined two very thin leather bags with the monster skin, filling the two gases. A miracle happened, and the skin filled with hydrogen floated up.

Xiao Twin's eyes widened: "What's going on?"

"Hydrogen is very light, with a relative mass of only 1, which is one-sixteenth of oxygen. It is much lighter than air and is insoluble in water. Therefore, it is collected by drainage. It is precisely because it is light that it can float in the air." Wang Qinian said.

"So, if there is a lot of hydrogen, can we make a big balloon? People and things can't be hung under it?" Xiaoshuang said, his eyes full of excitement.

"Xiaoshuang is very smart. It is possible. This kind of balloon does not require magic, and anyone can use it. Unlike magic, there are actually endless secrets of nature. I suspect that magic is also a kind of natural mystery." Wang Qinian pulled the balloon down as soon as he held the rope.

"Give it to me, give me the balloon!" Xiaoshuang shouted.

"What do you want a balloon?" Wang Qinian still gave Xiaoshuang. Although he still used hydrogen for many of his subsequent experiments, he could continue to electrolyze water to get it.

"I'll check it out for my Warcraft friends." Xiaoshuang snatched the line. Wang Qinian remembered something and said, "Remember, it cannot be close to fire, otherwise it will explode, which is very dangerous."

Xiao Shuang looked at the balloons diligently. The sky started to shine. She didn't eat breakfast. She held the balloon in her hand and flew into the mountains and forests. Wang Qinian shook his head. He thought of another gas, helium, which was very rare on the earth. I wonder if there would be many here, but Wang Qinian didn't expect that there were many in the stars. If there was helium, the balloons would be much safer.

Wang Qinian didn't eat breakfast. He continued to experiment. Without Xiaoshuang, no one interfered. Although he knew the results, he still meticulously completed it and extended the wooden strips with sparks into the oxygen. Sure enough, the wooden strips burned and then burned hydrogen in the oxygen to obtain water. In addition, he tested the mixture of hydrogen and air of different concentrations. Explosions kept coming from the laboratory, and finally got a safe range: when the volume concentration of hydrogen in the air is between 4.0% and 75.6%, it will explode when it encounters a fire source. When the hydrogen concentration is less than 4.0% or greater than 75.6%, it will not explode even if it encounters a fire source.

The bang bang explosion caught Jessica's attention. Jessica came to Wang Qinian's house alone. When she saw the door open, she came in. Seeing Wang Qinian doing an explosion experiment, the bags exploded one by one, she felt strange and said, "Good morning, what experiment are you doing?"

"I'm doing a hydrogen explosion experiment."

"What is hydrogen?" Jessica asked.

"Hydrogen is a gas that is poured onto a metal. The alchemist calls it a kind of air that can be burned. I call it hydrogen, which means it is extremely light. When I was doing an electrical experiment last night, Xiaoshuang poured water on the instrument. I found that water can be decomposed by electricity. I called this phenomenon electrolysis. The electrolytic products of water are hydrogen and oxygen. I am believing in testing the properties of hydrogen." Wang Qinian said, and did not ask Jessica to sit on it, and Jessica was used to it.

The two of them stood here, discussing the experiment. After a while, Wang Qinian finished the experiment. Seeing Jessica still standing, he felt embarrassed to say, "Look at you, sit in the room."

"You haven't eaten breakfast yet?" Jessica smiled.

Wang Qinian was embarrassed to laugh: "I didn't eat it, so I'll do it after a while."

"Forget it, I'll do it. Why don't you get married? Tina came last time, which was good." Jessica rushed to do things, baking bread and cooking cereals.

"I'm not going to get married, I'm all focused on magic. Besides, I'm in my forties now, and Tina is only sixteen years old, so I can't delay others." Wang Qinian said.

"It doesn't matter if the magician is older, and once you enter the legend, your lifespan will be very long," said Jessica.

"I won't talk about this anymore. I've been going to the Sky City tomorrow. I haven't been there for a long time. Let's see how much they have built." Wang Qinian changed the topic.

Seeing that Wang Qinian had changed the subject, Jessica knew that he was unwilling to talk, so she smiled and brought the toasted bread and cereals. Wang Qinian asked, "Do you come some?"

"No need, I've eaten it. If there weren't any roars in your house, I wouldn't have come to see you. I wouldn't have thought you would have learned from an experimental accident." When Jessica said this, she suddenly heard something outside calling her, but it was far away. Wang Qinian also heard it, it was Jenny's voice.

"Teacher Jessica, are you here?"

Wang Qinian and the others had a very good ear. When they heard this voice, Wang Qinian smiled and said, "Your baby apprentice is here."

Jessica also smiled: "Okay, I told Jenny yesterday that she would come to help me with the experiment, but she came too early, and I should leave too. I hope I can see your paper published earlier and not disturb you from doing the experiment. I will call you tomorrow morning."

Jessica went out. After Wang Qinian had breakfast, he threw the bowl away and landed it in the sink. He recited a spell. The faucet was automatically turned on, the dishes, the knife and fork automatically moved. After washing it, he jumped into the cupboard automatically. Everything was cleaned and the cupboard was automatically closed.

Wang Qinian sorted out the data and saw that there were still some shortcomings. He was about to go for an experiment again. Jenny came and followed someone afterwards. Wang Qinian knew it, Reinhardt, von Rohnkram.

"Teacher Wang, this is my brother Reinhardt." Jenny said.

"I know the auditor from last semester. You are already a magician. Why do you sound like you from the lower grade?" Wang Qinian asked.

"Dear Professor Wang, I just studied under a wild magician when I was a child. He left soon. I found that I was very deficient in all aspects. I happened to travel to Holinqiaoton. I heard that Professor Wang practiced both magic and martial arts. My sister happened to come here, so I begged my sister to bring me over and meet Professor Wang. I heard your class last semester and taught very well, which inspired me a lot." Reinhardt said politely.

"Sit down, don't be polite. I'm just taking one step first. You are still young. The world of magic is very broad. It's not too late to work hard now." Wang Qinian smiled.

The two of them took their seats, and Wang Qinian waved his hand, and a cup of coffee appeared in front of them. They took a slight taste. Wang Qinian saw Reinhardt's eyes flashing slightly, as if frowning, but praised: "Good tea!" But Jenny didn't feel anything.

Wang Qinian smiled slightly. He knew that his coffee was not good, and he did not pay attention to this. Reinhardt obviously paid attention to these things. He didn't want to make it clear, so he had to praise it against his will and be sincere in magic.
Chapter completed!