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Aim: To find out what happens when iron and sulphur are heated together.
Diagram:
Equipment: Tongs, goggles, test tube, iron, sulphur, mineral wool, Bunsen burner, paper, heat proof mat and a magnet.
Safety: Goggles worn at all times and ties tucked in. Don't heat the mixture for too long.
Method: 1. We measured out 1 spatula of iron and sulphur, then we mixed them on the paper, recording our observations.
2. Then we put the mixture in to a test tube and ran a magnet up the side. We recorded observations.
3. The bunsen burner was lit.
4. Then we plugged the top of the test tube with mineral wool and held it over the bunsen. (Which was at half flame) We heated it until it glowed.
5. After the test tube had cooled down we ran a magnet up the side and recorded our observations.
Results:
1. When the two elements were mixed on the paper a greyish yellow mixture was formed.
2. When the magnet was run up the side of the test tube the iron filings leapt up from the bottom and followed it around. The sulphur that was trapped in between the iron, rose as well.
3. After the mixture was heated, two new compounds had been formed. Sulphur Dioxide. The sulphur had turned in to a gas and risen, popping the wool off the top of the tube by it’s pressure and leaving a yellow ring around the top of the test tube. Iron Oxide was also made. The iron filings had been turned to a black solid.
4. When we ran the magnet up the side of the test tube again we found that the Iron Oxide was not magnetic and would NOT follow the magnet around.
Consclusion: Before: It was a mixture of a metal and a non-metal. The mixture was magnetic.
After: There are two new compounds. We know this from: The colour change. We have seen energy being released (The wool being popped off the top of the test tube) It is now non-magnetic.
These are all NEW PROPERTIES.
The equations for these compounds are: Iron + Sulphur = Iron Sulphide and Sulphur + Oxygen = Sulphur Dioxide
*yawn yawn yawn yawn*
Why DO we have to go to school?
:-)
> Ice Blaster wrote:
> 1) what planet is the furthest away from
> the sun?
/
Pluto\/
2) which planets
> have rings around
> them?
/ \/
Saturn\/ and Uranus/\ no it is jupiter
3) which planet is nearest to the sun?
>
/
Mercury\/
4)
> the smallest planet in our sola system
> is?
/
Pluto\/
5) name the thory that
> suggests how the worlds
> may have been created(not the
> bible!!)
/
Big Bang\/
EASY!
4 1/2 out of 5 not to bad!
I was quicker than you Craig! NER :-P
:-)
Why am i here i should be revising! ah well it's only my future!
Vote Dringo here's to the future
> 1) what planet is the furthest away from the sun?
2) which planets
> have rings around them?
3) which planet is nearest to the sun?
4)
> the smallest planet in our sola system is?
5) name the thory that
> suggests how the worlds may have been created(not the
> bible!!)
?????????????????????????????????????
1) Pluto (not the dog)
2) Jupiter and Uranus (cue joke)
3) Mercury (no you don't have a planet in your thermometer)
4) Pluto (once again)
5) The Big Cheese emmm The Big Bang
There EASYYYYYYYY!
> 1) what planet is the furthest away from the sun?
Pluto
2) which planets
> have rings around them?
Saturn and Uranus
3) which planet is nearest to the sun?
Mercury
4)
> the smallest planet in our sola system is?
Pluto
5) name the thory that
> suggests how the worlds may have been created(not the
> bible!!)
Big Bang
EASY!
What did happen?
the sulphur blew the top off the test tube and the iron was no longer magnetic.
MMM.... the smell in the room when we'd finished!
RBS: LOVES the smell of sulphur and petrol.
Doesn't bode well for the future does it!?
:-)
2) which planets have rings around them?
3) which planet is nearest to the sun?
4) the smallest planet in our sola system is?
5) name the thory that suggests how the worlds may have been created(not the bible!!)
?????????????????????????????????????