All the chemical reactions in Grade Three Chemistry
1. ** Combination reaction ** - ** Magnesium burns in the air **: It burns violently, emitting a dazzling white light, forming a white solid and releasing heat. - ** Iron burns in oxygen **: It burns violently, sparks fly, forming a black solid and releasing heat. - ** Copper is heated in the air **: The surface of the copper wire turns from red to black. - ** The burning of aluminum in the air: The silver-white metal becomes a white solid and emits heat. The corrosion resistance of aluminum is due to the formation of a dense aluminum dioxide film on the surface, which prevents the internal aluminum from continuing to be oxided. - ** Burning of hydrogen in the air **: Light blue flames are produced, heat is released, and mist appears on the inner wall of the beaker. - ** Mercury and oxygen react **: The silver-white liquid forms a red solid. - ** Burning of carbon in oxygen **: Burning violently, emitting white light and heat, turning clear lime water turbid. - Sulfur burns in the air, emitting a faint light blue flame, releasing heat and producing a pungent gas; burning in oxygen is a bright blue-purple flame. - ** Phosphorous burns in the air **: It burns intensely, producing a large amount of white smoke. It releases heat and forms a white solid. - ** Sulfur combustion **: produces blue flames, releases heat, and produces gas and water that turn lime water turbid. 2. ** Dissociation reaction ** - ** Heat decomposition of potassium pernate **: Generates a gas that rekindles the wood with sparks. - ** Permanganate decomposed by heat **: purple turned black, producing a gas that rekindled the spark wood. - ** Heat decomposition of mercury dioxide **: The red color turns into silver, producing a gas that rekindles the wood with sparks. - ** Electro-water breakdown **: Water is broken down into hydrogen and oxygen. - ** Pyrolyzed basic copper carbonate **: Green turned black, liquid formed on the test tube wall, producing gas that turned the lime water turbid. - ** Heat decomposition of the hydrogen carbonates **: The white solid disappears, and there is liquid on the tube wall, producing a gas that makes the lime water turbid. - ** Heat decomposition of NaHCO3 **: It produces gas that turns clear lime water turbid. - High temperature decomposition of calcium carbonate-it is used in the industry to produce carbon dioxide and quicklime. 3. ** Substitution Reaction ** - ** Reaction between the acid and the metal **: A large number of bubbles will be generated, and the metal particles will gradually dissolve. - ** Reaction of iron and sulfuric acid **: A large number of bubbles will be produced, and the metal particles will gradually dissolve. - ** Reaction of Magnesium and Sulfuric Acid **: A large number of bubbles are produced, and the metal particles gradually dissolve. - ** Reaction between aluminum and sulfuric acid **: A large number of bubbles are produced, and the metal particles gradually dissolve. - [** Iron Oxides Reducted by hydrogen **: The red color gradually turns into a silver-white color, and there is liquid on the wall of the test tube.] - ** Iron Ferric Oxides Reducted by hydrogen **: The black color gradually turned silver-white, and there was liquid on the wall of the test tube. - ** Reaction of iron and copper sulfuric acid **: blue deposit is formed, and the upper part is a clear solution. 4. ** Metathesis reaction ** - ** Reaction of calcium carbonate and sulfuric acid **: The solid gradually melts, and there is a gas that makes the clear lime water turbid. It can be used to prepare carbon dioxide and remove scale in the laboratory. - ** Reaction of soda ash and sulfuric acid **: The solid will gradually dissolve, and there will be gas that will make the clarified lime water turbid. This is the principle of foam fire extinguisher. 5. ** Other reactions ** - ** Reaction of carbon dioxide and water **: The carbolic acid turns the litmus red, which proves the acidic nature of carbolic acid. The red color of the litmus fades when the carbolic acid is decomposed. - ** Reaction of carbon dioxide and calcium dioxide **: Clear lime water becomes turbid, used to test carbon dioxide and lime paste for painting walls. - [Reaction of CaCl3, water and carbon dioxide: The white deposit gradually dissolved, which is related to the formation of karst caves and the weathering of rocks.] - ** decomposition reaction of calcium hydrogen carbonat **: A gas that produces white precipitations and makes clear lime water turbid. It is related to the formation of scale and stalactites. - [** Burning of carbon dioxide **: blue flames are produced.] - ** Copper oxide-reduction by carbon **: The black color gradually turns red, producing a gas that turns the clear lime water turbid. It is used to smelt metals. - ** Iron Oxides Reducted by Coal **: Used to smelt metals. - [** carbon reduction of Fe3O4 **: Used to smelt metals.] - ** Reaction between Na and water **: The reaction is intense. Na floats on the surface of the water and quickly melts into a shiny ball. It swims around on the surface of the water and makes a "hissing" sound. (If the reference material does not mention the reaction of Na with water, this is supplementary content.)
Excerpt from the Witch's Journey
The classic quote from Journey of the Witch was as follows: "You're not alone-""I've always been by your side." It was the same today, and it would be the same in the future. " You've been working very hard up until now."" You've been patient until now. That's amazing."" You can already live for yourself." " Even if the people of this country, even if your parents in your hometown are not looking at you-even if no one is looking at you now." "I will be watching you." Don't think that you can just endure everything. If you don't like something, you have to fight it. Become someone who can say no to protect yourself. "In the future, if I encounter any difficulties, I will also mercilessly trouble you. Please take care of me." You watched as people fell into an inescapable sadness. Whether it was illness or burden, under the mixing of all factors, they walked step by step into the abyss. You just watched, because…You're just a passer-by in their lives, just a traveler... What you think you are doing for the good of others is not necessarily right. The novel " Miss Witch Doesn't Want to Be a Singer " is equally exciting. Everyone is welcome to click to read it!
The logic behind industrial internet celebrities
With the refinement of Weibo's vertical operation and the emergence and expansion of new traffic platforms such as TikTok and Fast Hand, the platform pushed the Internet celebrity industry to develop in the direction of industrialization. The logic behind this development was that under the industrial production model of internet celebrities, as a part of the industrial chain, their production needed to be standardized. In the past, internet celebrities represented self-expression, but on platforms that preferred traffic, this voice gradually weakened. The platform was compressing the true personality of internet celebrities. It was difficult to become an internet celebrity simply by relying on the internet. A typical internet celebrity like Papi-chan could even achieve industrial production. There were investors and related programs behind it to discuss business factors such as the value of its traffic and the influence of e-commerce. Internet celebrities integrated various factors such as fashion, social networking, e-commerce, and community. They had their own halo and traffic and could accurately target and cover. They combined content, communication, and consumption into one, which simplified the operation and marketing process. However, the cultivation of Internet celebrities also required a certain cost. At a certain stage of cultivation, they would explore profit models, such as Taobao e-commerce or acting agents. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The songs from the old songs album are complete with lyrics
Here are the lyrics of some of the classic oldies: - [Good Day]:"Sigh-happy gongs and drums bring out the festivities every year, and beautiful dances bring joy every day. The sun's oil paint has painted today's day red, and the flowers of life are our smiles. Sigh, today is a good day. Everything I want can be done. Today is a good day. I'll welcome the spring breeze when I open my door. The lanterns outside the door reflect the red scenery, the pleasant songs convey deep affection, the watercolor of the moonlight brightens tomorrow's day, and the beautiful world is in our hearts. Sigh, tomorrow is another good day. Time can't wait. Tomorrow is another good day. Let's enjoy peace in the golden age. Today and tomorrow will be good days. We'll enjoy peace in the golden age." - The same song: "Flowers once told me how you walked, and the earth knows every corner of your heart. Sweet dreams, no one will miss them. Finally, we welcome today's joyous gathering. Starlight filled all the childhood, wind and rain went through the corners of the world, the same feeling gave us the same desire, the same joy gave us the same song. We have walked through thousands of mountains and rivers. Every time we meet and smile, we will engrave each other. In the sunny and happy days, we hold hands and want to say too much. Sunlight wants to permeate all languages, and spring spreads friendly stories. The same feeling gave us the same desire, the same joy gave us the same song." - "Toast Song":"Gold and silver cups filled with wine, hands raised above your head, fried rice, milk tea, hand-braised meat, please eat to your heart's content." Ah, my friend, my friend, please have a taste. This wine is pure, this wine is thick, this wine is thick. Let us be sincere and have a long friendship, spending the spring and autumn together on this beautiful grassland." - [Dusk]:[I still remember when you said goodbye, you were as firm as iron. In the darkness, I felt like the sun was burning me.] - [Meteor Shower]:[I will accompany you to watch the meteor shower fall on Earth. Let your tears fall on my shoulder.] - "I can't forget the first time I saw you. A pair of mesmerizing eyes." - [Lovers Not Full]:[Just a little closer and I'll let you hold my hand.] Just be a little braver and I'll go with you." - "Someone asked me what's so good about you, and I still can't forget it after so many years…Whether it's a ghost or a predestined marriage in my previous life, none of this matters anymore. If you can return to my arms." - [For You, I'm Blown by the Cold Wind](Lin Yilian):[Try to let go of the past, no matter how beautiful it was in the past.] - "I Know the Pain of Lovesickness"(Huang An):"Fate is so wonderful. From having no one to rely on, to being incurable, to becoming an immortal legend." - [No more contact]:[This love can be treated as a memory, but I warn myself not to contact again.] <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Who gave birth to the second princess of Haoling?
The mother of the second prince of Haoling, Ji Anian, was Consort Jing An. Consort Jing An was born in the lowest class and was an ordinary village woman. She was also a deaf-mute. The reason she was able to marry King Haoling was because she looked like Xiao Yao's mother, Xi Lingheng. There was nothing special about her. Had he not watched enough of Long Lovesickness 2? Hurry up and read the original work of " Everlasting Lovesickness 2: A Vow of Love "!
What kind of nice names do bookworm novels have?
He recommended a few good novels. " The Heavens, Cultivation Begins from the Cultivation of Peas into Soldiers." The author was Han Dedan. The Heavens were infinite. The main character, Lin Heng, traveled through the world of ghost films to awaken the system. He would scatter beans into soldiers and pass through all worlds. " Bug Master Monogatari's Friend's Zhang " was a light novel written by a full-time writer. It was written by Bug Master and Natsume's Friend's Zhang. The style was fresh and refreshing. Although there were some minor problems, it was worth reading. " Divine Reading System " was an urban supernatural novel created by the little dirty cat. One could obtain abilities by reading, and the main character cultivated through the reading system. It was very innovative. " The Bizarre Fox in the Book House " was a mystery detective novel written by Red Spirit 01. It was about An Zhi and Ning Yi who had to search for the truth to solve a bizarre case. " Technology Monopolists " was a science fiction novel by Zisu Ye Xiaosu. The protagonist Zhong Zixing was reborn and mastered a super technology business. It was controversial but overall good. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Kratos or Ares, who is stronger?
Judging from the results of their battle, Kratos was more powerful because Ares was defeated by Kratos in the end. After Ares accepted Kratos 'sacrifice, he helped Kratos defeat the barbarians. However, Ares manipulated Kratos to launch countless wars and even lured Kratos to kill his wife and daughter. This led Kratos to take revenge on Ares. Although Ares was the God of War, Kratos relied on his own strength and determination to take revenge. After a ten-year journey of revenge, he defeated Ares and became the new God of War. Hurry up and click on the link below to return to the super classic " Lord of the Mysteries "!
What color was Wang Junkai's hairstyle when he was young?
According to the relevant information, Wang Junkai had a buzz cut when he was a child, and his hair was black in the childhood photo of him wearing a red short-sleeved shirt. There was also a photo of him wearing a hat not long after his debut. There was no mention of hair dyeing, so it was speculated that he had black hair. As well as the fact that his black hair looked good when he was an adult, it could be inferred that Wang Junkai's hair color was black when he was young. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Why don't you need to turn to the next page of the novel on the web page?
If there was no need to flip to the next page on the novel, it might be because the page flipping function was set. Nowadays, many mobile reading applications provided automatic page flipping functions for the convenience of users. Web novel readers might also have similar functions. The setup process was roughly as follows: First, open the web page interface of novel reading. According to your browser model, find the first interface of novel function settings and click "settings". In the setting interface, there is an option to adjust the font size.(The-sign becomes smaller, the + sign becomes larger). Below it is the option of "turning pages". There are different ways to turn pages to choose from. After these functions are set, you can click the "automatic page turning" function to enter the automatic page turning setting state, including the adjustment (by the + and-symbols on both sides of the middle number) and the page turning mode. You can choose the appropriate page turning mode according to your reading speed and the time you set. With this setting, the novel on the web page would automatically turn the page without needing to manually flip to the next page. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Personal emergency sale of second-hand houses in Yujing City
If he wanted to sell a second-hand house in Yujing City urgently, he had to consider the following points. First of all, it was necessary to clarify the reason for the sale, such as whether it was because they were in urgent need of funds or were about to move out of town. This would help explain the situation to potential buyers. In terms of price, it had to be priced according to the current market. According to the previous data, the prices of houses in Yujing City varied greatly according to the type, size, and decoration. For example, an 84-square-meter house with three bedrooms and two bathrooms would be sold for 680,000 yuan, an 85-square-meter house would be sold for 680,000 yuan (8000 yuan/square meter), a 94-square-meter house would be sold for 900,000 yuan (9574 yuan/square meter), and a three-bedroom house with two living rooms would be sold for 1,450,000 yuan (16276 yuan/square meter). If it was an urgent sale, it might be necessary to lower the price reasonably based on these prices to attract buyers. In terms of publicity, they could publish sales information through formal real estate agents or some online platforms. However, it was important to note that buyers might be more concerned about the nature of the property, property rights, and other issues, so they had to prepare relevant information for the buyer to verify. At the same time, the advantages of the house should be clear, such as whether it was close to the school, whether it was close to the subway (such as a house less than 500 meters away from Yulan Avenue Station on Line 4, etc.), the characteristics of the house type (such as some north-south transparent, multi-sun bedrooms, etc.), and the matching conditions of the community. These advantages could play a positive role in attracting buyers. While waiting for the TV series, you can also click on the link below to read the original work of "Little Fox Demon Matchmaker" to understand the plot in advance!
What medicine is the fastest and most effective for an infant with throat inflammation?
If the infant's throat inflammation was caused by a viral infection and the infant's mental state was good, the white blood cell count in the blood routine was not high, and the proportion of the spleen cell count was high, Chinese patent medicines for clearing heat and detoxification could be used, such as Lanqin oral liquid, Pudilan anti-inflammatory oral liquid, or Qingkailing granules. If the inflammation of the throat is caused by a bacteria infection (the white blood cell count in the blood routine is obviously high), it needs to be treated with the use of a cephalosporins class of antibiotics for anti-bacteria infection treatment. When the baby only had simple throat inflammation and no other symptoms, he could also take Chinese patent medicines with heat and detoxification, such as Shuanghuanglian oral solution, isatis root, etc., and at the same time, he could use the throat sword spray for local treatment. When it was confirmed that the baby had a bacteria infection, he could also take amoxicilin granules or cefaclor and other anti-inflammatory drugs for treatment. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>