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2026-07-07 15:16
What is the reaction with br2
The following substances can react with Br2:
- hydrogen gas: the ignition of hydrogen vapor and hydrogen gas to produce hydrogen bromate.
- Metallic Na: Bromine and metallic Na combine to form a violent reaction that produces NaBr2.
- Thiodide: Bromine water and thiodide solution undergo a replacement reaction. The chemical equation is Br2 +Ki = I 2 +Kbr (adding CCl, the organic layer becomes purple-red).
- Bromine is dissolved in a solution of potassium-oh to form potassium-bromate and potassium-hypobromite.
- Iron: Liquid Bromine can be used to catalyze the addition of iron (iron tribromate) to produce Bromolene.
- Water: Bromine is dissolved in water to undergo a disproportionate reaction to produce bromic acid (HBrr) and hypobromic acid (HBrO).
- Sulfur dioxide: In the presence of water, Bromine can catalyze sulfur dioxide into sulfuric acid and produce hydrogen bromate.
- <br>"<br>" In the basic medium, nitrogen is produced by the oxidization of nitrogen by helium. In the gas phase, helium will vaporize nitrogen and produce white smoke of <br>
- Ureas: In an acidic medium, nitrogen compounds such as ureas will be oxided by Bromine to produce nitrogen.
- Alkene: The addition reaction of Bromine to Alkene underwent the formation of a cyclo-broinium ion. The cyclo-broinium ion was attacked by the electronegative group Y, resulting in a trans-addition product.
- Aromatic compounds: In the presence of Lewis acid, the aromatic compound could undergo an electropathic aromatic substitution reaction to produce a brominated aromatic compound.
- Alkane: Under the conditions of free radical reaction under light, the bromination reaction of the ben radical can be achieved.
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2026-07-02 14:42
Harry Potter and the Sorcerer's Stone <br><br> Within 50 words
Harry Potter and the Sorcerer's Stone tells the story of Harry Potter entering Hogwarts, adventuring with his companions, protecting the Sorcerer's Stone, and foiling Voldemort's resurrection plan.
Harry Potter and the Chamber of Secrets is not enough. Everyone is welcome to click to read the novel!
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2026-03-28 05:47
Is 1BR based on a true story?
Well, it's hard to say. Sometimes movies or shows claim to be based on true events, but they might take a lot of creative liberties. In the case of 1BR, it's not clear if it has a direct connection to real-life events.
2 answers
2024-10-03 13:47
What are the characteristics of caricaturas br?
Well, caricaturas br are known for their ability to capture the essence of a subject and present it in a funny and distinctive manner. They can be very creative in how they distort reality for comedic purposes. And they might vary in style depending on the artist's unique approach and the intended audience.
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2025-06-01 04:44
What are the characteristics of manhwa br?
Manhwa br often features vibrant and colorful art styles, along with diverse storylines that can range from fantasy to romance.
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2025-06-18 14:46
What are the characteristics of BR comics?
Well, BR comics usually feature vivid characters and imaginative settings. They might focus on complex plots or simple yet engaging narratives. Also, the visual presentation can be quite distinct, with bold colors and detailed illustrations.
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2025-06-14 23:16
Is 'Absence of Malice' a True Story?
Yes, it is. 'Absence of Malice' was inspired by real events and situations, although it may have taken some creative liberties for dramatic effect.
2 answers
2024-10-01 19:53
The sentence that laments the absence of youth
In the search results provided, there were some sentences that could express his feelings about losing his youth. For example, there was a line in Cao Xueqin's " Song of Burial of Flowers ":" Once spring is over, the beauty will be old, and the flowers will fall and the people will die without knowing." This poem meant that spring was over, the beauty was old, the flowers had fallen, the people had passed away, and they no longer knew each other. In addition, Xi Murong also said," With tears in my eyes, I read it again and again, but I have to admit that youth is a book that is too rushed." This sentence expressed the feeling of youth being fleeting. In addition, there were other sentences that could also express feelings about the passing of youth, such as " Youth is an expired train ticket that does not wait, youth is a fleeting cloud that does not look back."
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2025-01-17 04:40
Report the reason for absence to the kindergarten
The following is an example of a report on the reasons for absence from kindergarten:
** 1. Absence due to illness **
1. ** Overall Situation **
- Absenteeism due to illness accounts for a certain proportion of absenteeism (e.g. 10.7%). After the kindergarten strengthened health education and defensive measures (such as disinfection of the surface of objects, ground and air, physical exercise, balanced diet, etc.), the number of patients decreased. However, in the climate exchange season (such as November to December and April to May every year), due to the poor adaptability of children to temperature difference, they were prone to catching a cold. In these months, the number of children absent from work due to illness increased.
2. ** Effects of special diseases (Take the flu as an example)**
- A highly contagious disease like the flu (transmitted through respiratory droplets) could easily spread in a crowded place like a kindergarten. For example, during the 2019 flu season, there were absentees in kindergarten all over the country. The absenteeism rate of kindergarten in big cities (such as Beijing and Shanghai) was higher, and some kindergarten were even forced to close.
** 2. Absence from work **
1. ** Overall Situation **
- Absence from work accounted for a higher proportion of the number of absentees (such as 90.3%).
2. ** Reason **
- Traveling.
- Traditional activities such as returning home to visit relatives and sweeping tombs.
- His parents were on a business trip and no one was there to pick up his child.
- Parents were resting, and children were taking leave.
- There were elderly people or nannies at home to take care of the children. If the children were slightly unwell (such as wind, rain, cough, or tears), they would ask for leave.
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2026-09-22 23:55
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