OCR A-Level Chemistry A June 2021 Paper 3 [Walkthrough and Tutorial]

[@christian-w1b6t]

10:59 wouldn’t you put a 3 before the carboxylic acid and 1 1/2 before the H2?

[@shekibashirdaghi5044]

At 29:30 the gradient would be negative but do we just ignore the sign?

[@the-a-level-cookbook]

here yeah, it's a rate and it's only the size that matters. the -ve means whatever you're measuring is falling

[@madisonkrull3395]

Thank you, these are super helpful!

[@senze4111]

can you do the 2017 and 2018 one please

[@senze4111]

And 2019

[@the-a-level-cookbook]

uploading these tomorrow at 8!