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# Chemistry 9701 MCQ help watch

1. This is a question from Chemistry A-level 9701. In the marking scheme it says that 1 and 2 are correct, so can anybody explain me how come 3 is incorrect?? I mean if pressure, R and n are constant doubling temperature will double the volume.
2. (Original post by Abdullah_z)

This is a question from Chemistry A-level 9701. In the marking scheme it says that 1 and 2 are correct, so can anybody explain me how come 3 is incorrect?? I mean if pressure, R and n are constant doubling temperature will double the volume.
I would help, but I've had a couple of glasses of wine and everytime I put my head on one side I fall over.
3. I'm pretty sure 3 is also correct. Unless I missed something in my chemistry class. Maybe double check the ms?
I'm pretty sure 3 is also correct. Unless I missed something in my chemistry class. Maybe double check the ms?
Yeah ik 3 is correct but the marking scheme clearly says 1 and 2 correct
5. (Original post by Abdullah_z)
Yeah ik 3 is correct but the marking scheme clearly says 1 and 2 correct
It isnt uncommon for mark schemes to make mistakes, I would double check with my teacher.
It isnt uncommon for mark schemes to make mistakes, I would double check with my teacher.
Oh i realise where I was wrong, I am taking temperature in Celsius while in this formula it is used in kelvin 😅. Thanks anyway
7. (Original post by Abdullah_z)
Oh i realise where I was wrong, I am taking temperature in Celsius while in this formula it is used in kelvin 😅. Thanks anyway
That shouldn't make a difference, no3 is still correct. The scales on celsius and kelvin are the same
That shouldn't make a difference, no3 is still correct. The scales on celsius and kelvin are the same
No, 50 is double of 25 but 273 + 50 is not double of 273 + 25

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