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I dont get moles.. of both AS and A2. My book has only got two pages of it.
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Would you like to mention the full question please, there must be more added to this question. You just can't tell it simply that it is this element or this. Well All the nitrates in Group 2 undergo thermal decomposition to give the metal oxide, nitrogen dioxide and oxygen. So i just can't simply say that it is Mg, Ca ...etc. Also as you go down the group, these metal nitrates become more stable to heat. So you need to heat Ca more than Mg. Because Ca is below Mg, thus it is more heat stable than Mg.AoA, please answer this for me.. A 5g sample of an anhydrous group 2 metal nitrate loss 3.29g mass on strong heating. What metal is present. How do u solve it?
Would you like to mention the full question please, there must be more added to this question. You just can't tell it simply that it is this element or this. Well All the nitrates in Group 2 undergo thermal decomposition to give the metal oxide, nitrogen dioxide and oxygen. So i just can't simply say that it is Mg, Ca ...etc. Also as you go down the group, these metal nitrates become more stable to heat. So you need to heat Ca more than Mg. Because Ca is below Mg, thus it is more heat stable than Mg.
Hope this helps ,
I am As student so i have told you what i have learnt, and that it supported the question.
yes, its totally correct.Can anyone confirm the equation of halogenoalkanes with ammonia
CH3Br + NH3 --> CH3NH2 + HBr
^is this right???
Thanks a bunchhyes, its totally correct.
Can anyone confirm the equation of halogenoalkanes with ammonia
CH3Br + NH3 --> CH3NH2 + HBr
^is this right???
Sorry for being late but here goes:http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Chemistry (9701)/9701_s09_ms_5.pdf
http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Chemistry (9701)/9701_s09_qp_5.pdf
can anyone kindly explain Q1 part c,d,e,f and post the diagram for c
thnx in advance
It will be given with 1 and 2. 3 will consist of Quantitative Analysis tables only. The necessary Mr or Ar values will be given in the question if need is there.AoA, I have one question, Will we get Periodic Table with the pp 1,2,3. Or with which papers will we get the periodic table. I am in AS. So please help me <3
M = MetalAoA, the Q is: a 5 gram mass of anhydrous group 2 metal nitrate loses 3.29 grams in mass on strong heating. which metal is present.
a) Mg b) Ca c)Strontium d) barium
This is whats all written in the question.
Thankyou.
No, in this case, you don't have to find the gradient. You simply have to use the construction lines to get coordinates of one point on the line, say (4.2, 1.1).Paper 5 .
Does construction line mean drawing two lines to get two corresponding points on the line and hence find gradient ?
in the question posted , if we got gradient as 0.26 , how do we find the x value using the masses ?
This question is from mj2007
View attachment 35463
It is a fact that the reaction that takes less time will have lesser error.http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Chemistry (9701)/9701_w07_ms_31.pdf
Can any1 please answer question 1 (e) part?
1) Reagent: Acyl ChlorideView attachment 35481 Guys help me out... The question is: " Write down the reactant and conditions of these reactions."
Yes.Can anyone confirm the equation of halogenoalkanes with ammonia
CH3Br + NH3 --> CH3NH2 + HBr
^is this right???
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