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Cambridge Chemistry Challenge

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Original post by mathscot
What's the format required for copper ei can you you powers etc

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no powers, write out the full number including the many many zeros :biggrin:
Is it the rounded avogardos constant or full

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Original post by mathscot
Is it the rounded avogardos constant or full

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Just use 6.02 x10^23

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Hey I'm in year 9 I'm on the Rg question for March 2015 can somebody help me with it. I need a lot of help
Reply 3464
help with cu please
Original post by palp
help with cu please


I'm crying over this too
Rg really annoying me - stuck on it for about 15 minutes now!
Reply 3467
Original post by Joshthemathmo
I'm crying over this too

surely its davy he has a famous lamp and discovered half the elements there
Can someone give us a hint on Copper?
Reply 3469
Cu hint:

Spoiler

I need an SOS message for Rg tbh.
any help with silver would be lovely
Palp you are awesome
gold anyone? i know what im doing (i think) just cant get the calc
Reply 3474
Any help for Rg
Reply 3475
Original post by mollyh77
gold anyone? i know what im doing (i think) just cant get the calc

Use more sig fig
I have no idea how to do Rg:ashamed:
Original post by palp
Use more sig fig


yeaaa i didnt realise it was kilos well done me
Anyone have any idea with Rg?
Rg is driving me crazy

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