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Reply 20

Original post
by Aleena.azim20
but chnaging the conc of the other two recatnants (not h+) were not chnaging rate, meaning that it had to be 0 order with respect to them and then H+ was 2nd i got idk

Someone else got this answer too but also other people got same as me so idk.

Reply 21

Original post
by Mo_AS14_
The X structure q I completely blanked. For the order of reaction I got everything first order except the H+


Original post
by Aleena.azim20
but chnaging the conc of the other two recatnants (not h+) were not chnaging rate, meaning that it had to be 0 order with respect to them and then H+ was 2nd i got idk


Istg i dont know who is right and who is wrong anymore. I asked some of my friends and some got it wrong including me...I wrote it as k[H+], with the same logic as aleena, however it is supposed to be K[H2O2][I-]...****

Reply 22

Original post
by YusufJamal
Istg i dont know who is right and who is wrong anymore. I asked some of my friends and some got it wrong including me...I wrote it as k[H+], with the same logic as aleena, however it is supposed to be K[H2O2][I-]...****

you sure it was supposed to be that?? they werent changing the rate tho?

Reply 23

Original post
by Aleena.azim20
but chnaging the conc of the other two recatnants (not h+) were not chnaging rate, meaning that it had to be 0 order with respect to them and then H+ was 2nd i got idk


Btw u sure? Cz i wrote the same thing w the same logic but im guessing the ans was supposed to be K[H2O2][I-] According to my friends and idk how

Reply 24

For the last question and previous to last question, for one of them I got the pH around 2 something and for the other I got pH around 3 ish I don’t remember which was which.

Reply 25

Original post
by YusufJamal
Btw u sure? Cz i wrote the same thing w the same logic but im guessing the ans was supposed to be K[H2O2][I-] According to my friends and idk how

It was actually k[H2O2] [I-]
Also what did yall get for the activation energy?
I'm pretty sure I got the pH questions right except on the pH of gluconic acid where I did a stupid thing and multiplied moles and volume to get concentration. Hoping for ecf/TE on that and the pH of sodium hydroxide where this info was needed too.

Reply 26

Original post
by Studyman12345
It was actually k[H2O2] [I-]
Also what did yall get for the activation energy?
I'm pretty sure I got the pH questions right except on the pH of gluconic acid where I did a stupid thing and multiplied moles and volume to get concentration. Hoping for ecf/TE on that and the pH of sodium hydroxide where this info was needed too.

how do you knowww if it was k[H2O2] [I-]

Reply 27

Did anyone sit for Bio unit 4 today? How was it💀💀💀

Reply 28

Yess mee
It wass sooo long i wanted to cry*

Reply 29

What did you write for the type of scale on y axis?

Reply 30

What did u write for the type of scale on the y axis for the fish question?

Reply 31

I wrote logaritm scale

Reply 32

How was the Bio Unit 4? It was very long + last Q was challenging imo...Overall I am hoping of a low grade boundary...

Reply 33

Original post
by GloriaGrabrielle
Did anyone sit for Bio unit 4 today? How was it💀💀💀


Yea me ._. It was long af, and not only that, multiple Questions were Challenging, especially the last Q. Nah cz i was too bored from writing -_-
(edited 3 years ago)

Reply 34

I couldnt answer a lot of answersT.T due to time constraint.

Reply 35

For Physics unit 4, was the top quark travelling at relativistic speed?

Reply 36

Yes, I got a velocity of around 8.8 * 10^8 m/s, if I remember well.

Reply 37

Yep, got 8.8 x 10^8 m s^-1 too.

Reply 38

how was the bio unit 1 nd chem unit 1????

Reply 39

did anyone find the business edexcel paper 1 jan 2023 rlly hard?? idk why i literally ********ted through the entire paper

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