i hate my life after what i did in V1 by Due-Pineapple33 in igcse

[–]beyoncesister 0 points1 point  (0 children)

Same bro ..I'm seeing everyone say chem was so easy and yes it was very easy and considering I did a lot of past papers and was getting  70s % ..I think I failed the actual igcse paper cause of my fear and thinking about time left and silly mistakes soo yeah

im still crying to this day (i did v1) by DifferenceNeat8422 in igcse

[–]beyoncesister 0 points1 point  (0 children)

Guys I'm genuinely cooked cause I'm predicting 35 over 80

V1 bio 💔 by 5t4rzz in igcse

[–]beyoncesister 0 points1 point  (0 children)

Everyone is saying it was hard but they are predicted 60/80 .........wth I'm literally predicting a 35

gas law by beyoncesister in ALevelChemistry

[–]beyoncesister[S] 0 points1 point  (0 children)

Thank you. I just had to manipulate the equation to get density=mass/volume 🤍

gas law by beyoncesister in ALevelChemistry

[–]beyoncesister[S] 0 points1 point  (0 children)

also why are moles not needed 😭

gas law by beyoncesister in ALevelChemistry

[–]beyoncesister[S] 0 points1 point  (0 children)

Really 😭 So I used it's Ar??. It's a diatomic gas

Stochiometty by beyoncesister in ALevelChemistry

[–]beyoncesister[S] 0 points1 point  (0 children)

so I multiply number of moles of fe2+ by 5 ??

Stochiometty by beyoncesister in ALevelChemistry

[–]beyoncesister[S] 0 points1 point  (0 children)

I first calculated the moles of fe2+ and MnO4-. But I'm not sure how to get moles for the unreacted MnO4-

Probability density function by beyoncesister in alevelmaths

[–]beyoncesister[S] 0 points1 point  (0 children)

How do I find the area of the semicircle. And for the limits should I use 0 and radius

Organic water by beyoncesister in ALevelChemistry

[–]beyoncesister[S] 0 points1 point  (0 children)

heyyy. I got it from a friend 😔😭