A Complete Collection of 100000 Whys
Fav十万个为什么
为什么火柴一擦就会着火？
火柴一擦就会着火，主要是因为摩擦生热、火柴头和火柴盒的化学成分反应、化学反应释放热量。
1、摩擦生热：当火柴头在火柴盒侧面摩擦时，摩擦力会产生热量，使火柴头温度迅速升高。
2、火柴头和火柴盒的化学成分反应：火柴头含有氯酸钾、三硫化二锑等化学物质，火柴盒侧面涂有红磷和玻璃粉。摩擦时，红磷受热燃烧，同时释放的热量使氯酸钾分解，产生氧气。
3、化学反应释放热量：上述化学反应会释放大量热量，使火柴头上的易燃物（如硫磺）迅速燃烧，从而点燃火柴杆。
总结：火柴一擦就会着火，主要是因为摩擦生热、火柴头和火柴盒的化学成分反应、化学反应释放热量。
1. Questo strumento raccoglie una vasta quantità di domande e risposte per rispondere ai vostri dubbi quotidiani.
2. Digitate direttamente le parole chiave della domanda che desiderate cercare nella casella di ricerca qui sopra.
3. I dati di questo strumento sono stati raccolti dal web; se riscontrate degli errori, potete segnalarceli affinché possano essere corretti.
Recommended Tools
![Audio format conversion tool]()
Audio format conversion tool
Convert audio formats in bulk online and download them locally.
![Baby's 100 day calculation]()
Baby's 100 day calculation
One click online calculation of baby's hundred day date
![Pie chart generation tool]()
Pie chart generation tool
Generate custom pie charts online
![Longitude and latitude are converted to each other in minutes and seconds]()
Longitude and latitude are converted to each other in minutes and seconds
Online latitude and longitude decimal form and degree minute second form exchange conversion tool
![Online calculator]()
Online calculator
A convenient and efficient online calculator
![CMYK/hexadecimal color conversion]()
CMYK/hexadecimal color conversion
CMYK format color and HEX format color conversion tool
![Calculation of intermediate color between two colors]()
Calculation of intermediate color between two colors
Intermediate color calculation tool between two colors
![English case conversion]()
English case conversion
English case conversion/English word capitalization/English line capitalization
![Guanyin Spirit Sign]()
Guanyin Spirit Sign
Online Guanyin Lottery Tool
![HTML/ASP conversion tool]()
HTML/ASP conversion tool
Online HTML code and ASP conversion tool
![Jingzi Chess Mini Game]()
Jingzi Chess Mini Game
Well shaped Chess Mini Game for Computer Battle
![Annualized rate of return calculator]()
Annualized rate of return calculator
Calculate annualized rate of return and interest online
![Online Text Sorting]()
Online Text Sorting
Online Text Sorting Tool
![Add page numbers to PDF files]()
Add page numbers to PDF files
Add page numbers to PDF files online
![PDF file merging]()
PDF file merging
Merge multiple PDF files into one PDF file online
![The Book of Songs
(Alternative translations:]()
The Book of Songs (Alternative translations: "Classic of Poetry", "Canon of Odes")
Appreciation of the Full Text of the Book of Songs Online
![Vision training tools]()
Vision training tools
Online vision training and eye relaxation tools
![Speed converter]()
Speed converter
Speed online conversion tool
![SVG to CSS conversion]()
SVG to CSS conversion
Convert SVG to CSS background image online
![Avatar Pendant Generator]()
Avatar Pendant Generator
An online tool that can generate Christmas avatars, holiday avatars, and national flag avatars
![Video rotation]()
Video rotation
Rotate the video 90 degrees clockwise or counterclockwise online and download it locally.
![WeChat Multi Open Tool]()
WeChat Multi Open Tool
Generate WeChat multi open command online and now open WeChat multiple times
![Complete Guide to Vitamins and Foods]()
Complete Guide to Vitamins and Foods
Key introduction to vitamins and foods containing vitamins
![Package compressed files online]()
Package compressed files online
Package and compress multiple local files into zip files
粤ICP备2021116614号