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Wed 23/05/01 at 19:27
Regular
Posts: 787
Well I've just finished my highly exciting science homework, so, to show you lot how much fun I've had... I decided to post it!



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?

:-)
Wed 23/05/01 at 19:33
Regular
"Back in black"
Posts: 5,486
yo that was so amazed with what happens when iron and suplhate mix- err what did happen - oh yeah i leave school forever tomoorow!!!! yeh he no more science- nor meaning to rub it in RBS!!

PS- i don have to come back for exams though!
Wed 23/05/01 at 19:32
Regular
"You've upset me"
Posts: 21,152
khazar wrote:
> Thanx I was thrilled by that.

Heh! :-)

Dan: Nope, meesa too younga. Meesa only twelva

:-)
Wed 23/05/01 at 19:31
Regular
"CYA GUYS"
Posts: 1,218
Thanx I was thrilled by that.
Wed 23/05/01 at 19:30
Regular
"Palace 5-0 Brighton"
Posts: 2,321
I just done a massave project for Science today. Something to do with a pendulum...you done that RBS?
Wed 23/05/01 at 19:27
Regular
"You've upset me"
Posts: 21,152
Well I've just finished my highly exciting science homework, so, to show you lot how much fun I've had... I decided to post it!



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?

:-)

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