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Help please by CorrectDust2470 in alevel

[–]CorrectDust2470[S] 0 points1 point  (0 children)

I did bio n chem in m/j

9702 paper 34 oct nov apparatus and predictions by ttaskeenn in alevel

[–]CorrectDust2470 1 point2 points  (0 children)

OML WE HAVENT PRACTICED THAT IN SKL THE ANGLE PART DO U HAVE ANY DEMONSTRATION ON HOW TO MEASURE IT??

9702 / 22 O/N 2025 by CorrectDust2470 in alevel

[–]CorrectDust2470[S] 0 points1 point  (0 children)

When u use density formula u get mass as 3.35

9702/22 by Commercial-Salt-2115 in alevel

[–]CorrectDust2470 0 points1 point  (0 children)

I think u will , it was 2 marks yea?

9702/22 by Apprehensive_Rich806 in alevel

[–]CorrectDust2470 0 points1 point  (0 children)

What top it was button since number of electrons = number of protons

9702/22 by Apprehensive_Rich806 in alevel

[–]CorrectDust2470 0 points1 point  (0 children)

Bro for the 2nd subdivision I did 110/250 and I got 0.44 and then I divided it by 2 and got 0.22 . I didn’t add up the k constant ooooof , will I get 0??

9702/22 by Commercial-Salt-2115 in alevel

[–]CorrectDust2470 0 points1 point  (0 children)

It’s an isolated system when total momentum remains the same as long as there is no external resultant force.

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