Year 12s: what will be the first way you research your future options? >>

Year 12s: what will be the first way you research your future options? >>

Year 12s: what will be the first way you research your future options? >>

C2 edexcel 2016

What did u get for the two marker.... al+cl3 → alcl3

Or was it something else?

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1466013244819.jpg44.5KB

username2174765

it would be Cl₂then you would have to balance

(edited 7 years ago)

TheAlphaParticle

Original post by chrlhyms

it would be Cl₂then you would have to balance

Original post by amanii_ox

What did u get for the two marker.... al+cl3 → alcl3

Or was it something else?

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2Al + 3Cl₂-----> 2AlCl₃

Chlorine was Cl2, so then it had to be 2Al + 3Cl2 --> 2AlCl3

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keepyourapology

Original post by rafiali99

Chlorine was Cl2, so then it had to be 2Al + 3Cl2 --> 2AlCl3

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What if you wrote Al(subscript 2) instead of 2Al.

username2174765

Original post by TheAlphaParticle

2Al + 3Cl₂-----> 2AlCl₃

what other equations did they ask you to write?

TheAlphaParticle

Original post by keepyourapology

What if you wrote Al(subscript 2) instead of 2Al.

You can't change the number of atoms in a molecule, just the number of moles. so no...

TheAlphaParticle

Original post by chrlhyms

what other equations did they ask you to write?

I'm sorry I didn't do the exam, I'm just a A level chemist being a good Samaritan.

username2174765

Original post by amanii_ox

What did u get for the two marker.... al+cl3 → alcl3

Or was it something else?

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do you remember the other equations they asked you to write?

username2174765

Original post by TheAlphaParticle

I'm sorry I didn't do the exam, I'm just a A level chemist being a good Samaritan.

oh, thank you!

The other one was:
CaCO3 (calcium carbonate) + HCl (hydrochloric acid) --> CaCl2 (calcium chloride) + CO2 + H2O of which you had to fill in water and carbon dioxide :smile:

:smile:

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