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Cambridge Chemistry Challenge

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Manage to finish in the end, the Rg question wasn't too bad IMO - just a matter to crunching some large numbers. :smile:

7,300,000,000g isnt that large :wink:

Reply 3121

Feraligatr

Au?

GdCl3? Any help?

Feeling so stupid :colondollar:

Reply 3122

interstitial

Original post by zhang-liao

Au?

GdCl3? Any help?

Feeling so stupid :colondollar:

check the units of the answer, the picture might give a clue if you know can find out who it is :smile:

Spoiler

Reply 3123

Feraligatr

Original post by Arithmeticae

check the units of the answer, the picture might give a clue if you know can find out who it is :smile:

Spoiler

I have and I've found the other two elements (EuO and MnAs) but can't find the number for GdCl3 :frown:

EDIT just have :biggrin:

Making weird noises right now :tongue:

(edited 9 years ago)

Reply 3124

Feraligatr

Gold

I still don't understand it :frown:

Reply 3125

scrlk

Original post by zhang-liao

Gold

I still don't understand it :frown:

Google the final products and the reactants above the arrow used.

Reply 3126

Feraligatr

Original post by scrlk

Google the final products and the reactants above the arrow used.

Just did Gold, now on Rg, am stuck though :frown:

Feeling so stupid...

Am I meant to calculate the number of moles or the volume?
And is the calculation pV=nRT?

(edited 9 years ago)

Reply 3127

Feraligatr

Original post by Nellanie

Super stuck on gold, please can someone help?

Its two types of reactions, two names, one double-barrelled (the second and third name)

Original post by Pigster

I had an extra space at the end the third name, so it didn't recognise my correct answer : (

Easiest Rg question ever?

Help?

So stuck

Reply 3128

amtheril

Original post by zhang-liao

Its two types of reactions, two names, one double-barrelled (the second and third name)

Help? :frown:

So stuck

http://en.wikipedia.org/wiki/Amine half way down, top :P

http://www.organic-chemistry.org/synthesis/C1N/amines/reductiveamination.shtm

Reply 3129

Feraligatr

Original post by amtheril

http://en.wikipedia.org/wiki/Amine half way down, top :P

http://www.organic-chemistry.org/synthesis/C1N/amines/reductiveamination.shtm

Sorry, was meant to say the Rg question, got the Gold question yesterday but don't know what to do for the Rg question :colondollar:

Reply 3130

Pigster

What is the reaction between steam and iron?

How much iron is in the tower?

How much H2 would fill a Hindenburg?

Reply 3131

Feraligatr

Original post by Pigster

What is the reaction between steam and iron?

How much iron is in the tower?

How much H2 would fill a Hindenburg?

Thank you so much for the help. Was kinda confused as to how to approach the question.

Repped you :smile:

Feel like an idiot though :colondollar:

(edited 9 years ago)

Reply 3132

amtheril

Original post by zhang-liao

Sorry, was meant to say the Rg question, got the Gold question yesterday but don't know what to do for the Rg question :colondollar:

sounds like you just completed the gold with the links :wink:

nah srsly think STEAM REACTING WITH IRON (HOW MUCH IRON ? ) What is a Hindenburg? pm me if you need extra help

Reply 3133

username1665059

whats the answer to silver anyone? i know hes marie curies husband, but what is the answer?

Reply 3134

interstitial

Original post by nukhba.mir

whats the answer to silver anyone? i know hes marie curies husband, but what is the answer?

hint - look at the units given

Reply 3135

Feraligatr

Original post by nukhba.mir

whats the answer to silver anyone? i know hes marie curies husband, but what is the answer?

The number given is associated with the character in the picture

Reply 3136

Sonnyburniston

I am stuck on roentgium question and really need some help me it closes please anyone I've managed to get 15 is it close and if not I desperately need some help

Reply 3137

Feraligatr

Original post by Sonnyburniston

I am stuck on roentgium question and really need some help me it closes please anyone I've managed to get 15 is it close and if not I desperately need some help