Chemistry: Post your doubts here!

[blymphocytes]

I have it as a pdf, send me your email!

I got it......thank you so much tho

 

[MShaheerUddin]

Can anyone tell me how they did this..(why they multiplied 0.05 with 2)
and can you refer any videos or any helpful materials from which i can learn how to find % errors "IN CHEMISTRY" like this?

 

[mittul8yu98]

View attachment 64718
Can anyone tell me how they did this..(why they multiplied 0.05 with 2)
and can you refer any videos or any helpful materials from which i can learn how to find % errors "IN CHEMISTRY" like this?

It is because you calculate the reading of burette twice . once when you fill up to 50 cm3 mark and secondly when you tranfser 5 cm3

 

[mittul8yu98]

can anyone tell me how to draw water bath which is heating a beaker

 

[sukasukinya]

Can anyone tell me the general formula to calculate the percentage error? I am really confused right now.

 

[Super Saiyan 007]

Chemistry P2 tomorrow anyone?

 

[Super Saiyan 007]

Chemistry P2 tomorrow anyone?

 

[Abdullah tna]

Feb March 9701 p2 Q 2b ii) help please

 

[Abdullah tna]

Chemistry P2 tomorrow anyone?

Yes

 

[Ebrahim12]

First time seeing reduced pressure filtration in march 19, anyone have a list of procedures we should know?

 

[MShaheerUddin]

CAN ANYONE DRAW IT FOR ME?
ER says : an air-tight system consisting of a stoppered test tube leading to a suitable means of collecting and measuring the volume of the gas evolved; the vast majority opted to collect the gas in a gas syringe.

 

[blymphocytes]

Feb March 9701 p2 Q 2b ii) help please

Here is the ms.

 

[SaraShiz]

Anybody have any idea what's on tomorrow's Chemistry Practical (Variant 2)? Like which topics can we prepare for more

 

[blymphocytes]

Who did paper 51? and how did you find it

 

[fourtris46]

Who did paper 51? and how did you find it

it was easy but I did sooo many mistakes.. so now its not easy

 

[fourtris46]

it was easy but I did sooo many mistakes.. so now its not easy

you?

 

[blymphocytes]

it was easy but I did sooo many mistakes.. so now its not easy

I didnt know the nernst eqn part........that part just messed me up and the distialltion shit.......i didnt know wht to drw

 

[blymphocytes]

Anyone did 21?

 

[Hamnah Zahoor]

Any one did p52 today?

 

[fourtris46]

I didnt know the nernst eqn part........that part just messed me up and the distialltion shit.......i didnt know wht to drw

same!! I even messed up the charge of Mn and the % yield