This reaction between iron and sulphur forms iron sulphide,... Show more
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2
Scarlet
10/2/2025
Chemistry
Iron & Sulphur
159
•
Oct 2, 2025
•
Iron + Sulphur = Iron Sulphide: The Reaction and Properties of Ferrous Disulfide
Scarlet
@sscqr
1 / 3
Creating Iron Sulphide: The Chemical Reaction
This page delves into the process of creating iron sulphide and explains the differences between a mixture and a compound.
To create iron sulphide, a mixture of iron filings and sulphur powder must be heated. This heating initiates a chemical reaction:
- The sulphur begins to melt.
- An exothermic reaction occurs, releasing heat energy.
- The particles rearrange and form chemical bonds.
- Iron sulphide (FeS) is formed as a new compound.
Definition: An exothermic reaction is one that releases heat energy to its surroundings.
It's important to note that during this process, sulphur dioxide (SO₂), a poisonous gas, may be released.
The key difference between an iron and sulphur mixture and iron sulphide is that the latter is a chemical compound with bonded elements. Unlike the mixture, iron sulphide cannot be separated back into its original elements using a magnet.
Vocabulary: A chemical compound is a substance formed when two or more elements are chemically bonded together.
The iron and sulphur reaction equation can be written as:
Example: Iron + sulphur = iron sulphide or Fe + S = FeS
Comparing Stages of the Iron and Sulphur Reaction
This page provides a visual comparison of iron and sulphur at different stages: as separate elements, as a mixture, and after reacting to form iron sulphide.
The diagram illustrates that the number of particles remains constant throughout the reaction process. What changes is the arrangement of the atomic bonds between the iron and sulphur atoms.
Highlight: A chemical reaction involves the rearrangement of atomic bonds, not the creation or destruction of atoms.
The stages shown are:
- Iron and sulphur as separate elements
- Iron and sulphur as a mixture
- Iron sulphide (FeS) as a compound
The final stage shows the iron sulphide formula (FeS) and emphasizes the 1:1 ratio of iron to sulphur atoms in the compound.
Example: The iron + sulphur = iron sulphide balanced equation is Fe + S → FeS, showing that one atom of iron combines with one atom of sulphur to form one molecule of iron sulphide.
This visual representation helps to understand the transformation from elements to a mixture, and finally to a chemical compound, highlighting the key differences at each stage.
Iron and Sulphur Reaction: Basics and Properties
This page introduces the fundamental concepts of iron and sulphur as elements and their properties before reacting. It also explains what happens when these elements are mixed at room temperature.
Iron and Sulphur are elements found on the Periodic Table. Iron is a metallic element, while sulphur is a non-metallic element. When separate, each substance consists entirely of its own type of atom.
Vocabulary: Elements are pure substances made up of only one type of atom.
The properties of these elements are distinct. Sulphur powder is yellow and powdery, while iron filings are dark grey with a sand-like texture. A key difference is that iron is magnetic, but sulphur is not.
Highlight: Iron's magnetic property is crucial for separating it from sulphur in a mixture.
When iron filings and sulphur powder are mixed at room temperature, they form a mixture without undergoing a chemical reaction. This mixture appears yellowy-gray and can be easily separated using a magnet due to iron's magnetic properties.
Example: A mixture of iron and sulfur particle diagram would show distinct iron and sulphur particles coexisting without chemical bonds.
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The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user
Iron + Sulphur = Iron Sulphide: The Reaction and Properties of Ferrous Disulfide
Scarlet
@sscqr
This reaction between iron and sulphur forms iron sulphide, a compound with distinct properties from its constituent elements. The process involves heating a mixture of iron filings and sulphur powder, resulting in a chemical change that cannot be easily... Show more
Creating Iron Sulphide: The Chemical Reaction
This page delves into the process of creating iron sulphide and explains the differences between a mixture and a compound.
To create iron sulphide, a mixture of iron filings and sulphur powder must be heated. This heating initiates a chemical reaction:
- The sulphur begins to melt.
- An exothermic reaction occurs, releasing heat energy.
- The particles rearrange and form chemical bonds.
- Iron sulphide (FeS) is formed as a new compound.
Definition: An exothermic reaction is one that releases heat energy to its surroundings.
It's important to note that during this process, sulphur dioxide (SO₂), a poisonous gas, may be released.
The key difference between an iron and sulphur mixture and iron sulphide is that the latter is a chemical compound with bonded elements. Unlike the mixture, iron sulphide cannot be separated back into its original elements using a magnet.
Vocabulary: A chemical compound is a substance formed when two or more elements are chemically bonded together.
The iron and sulphur reaction equation can be written as:
Example: Iron + sulphur = iron sulphide or Fe + S = FeS
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Access to all documents
Improve your grades
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By signing up you accept Terms of Service and Privacy Policy
Comparing Stages of the Iron and Sulphur Reaction
This page provides a visual comparison of iron and sulphur at different stages: as separate elements, as a mixture, and after reacting to form iron sulphide.
The diagram illustrates that the number of particles remains constant throughout the reaction process. What changes is the arrangement of the atomic bonds between the iron and sulphur atoms.
Highlight: A chemical reaction involves the rearrangement of atomic bonds, not the creation or destruction of atoms.
The stages shown are:
- Iron and sulphur as separate elements
- Iron and sulphur as a mixture
- Iron sulphide (FeS) as a compound
The final stage shows the iron sulphide formula (FeS) and emphasizes the 1:1 ratio of iron to sulphur atoms in the compound.
Example: The iron + sulphur = iron sulphide balanced equation is Fe + S → FeS, showing that one atom of iron combines with one atom of sulphur to form one molecule of iron sulphide.
This visual representation helps to understand the transformation from elements to a mixture, and finally to a chemical compound, highlighting the key differences at each stage.
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
Iron and Sulphur Reaction: Basics and Properties
This page introduces the fundamental concepts of iron and sulphur as elements and their properties before reacting. It also explains what happens when these elements are mixed at room temperature.
Iron and Sulphur are elements found on the Periodic Table. Iron is a metallic element, while sulphur is a non-metallic element. When separate, each substance consists entirely of its own type of atom.
Vocabulary: Elements are pure substances made up of only one type of atom.
The properties of these elements are distinct. Sulphur powder is yellow and powdery, while iron filings are dark grey with a sand-like texture. A key difference is that iron is magnetic, but sulphur is not.
Highlight: Iron's magnetic property is crucial for separating it from sulphur in a mixture.
When iron filings and sulphur powder are mixed at room temperature, they form a mixture without undergoing a chemical reaction. This mixture appears yellowy-gray and can be easily separated using a magnet due to iron's magnetic properties.
Example: A mixture of iron and sulfur particle diagram would show distinct iron and sulphur particles coexisting without chemical bonds.
We thought you’d never ask...
What is the Knowunity AI companion?
Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.
Where can I download the Knowunity app?
You can download the app in the Google Play Store and in the Apple App Store.
Is Knowunity really free of charge?
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
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4.9/5
App Store
4.8/5
Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user