Page 590 - MODUL SPEKTRUM FIZIK SPM

5(a)(i) P decreases as θ decreases 1
P berkurang apabila θ berkurang

(ii) - Show the extrapolation of the graph 1
- State the value within acceptable range 1 2
θ = - 273 °C

(b) - Draw a sufficiently large triangle (minimum 4 x 4) 1
- Correct substitution (follow candidate’s triangle) 1
Example:

1%$-% (234) 3
#%$($-%%) (°6)
- Correct answer with unit 1
-1
m = 0.28 kPa °C

(c)(i) – Correct answer with units 1
T = 303 K

(ii) – Show the vertical line corresponding to the θ = 30 °C 1
– State the value within acceptable range 1 2

P = 84 kPa
(iii) 1
– Correct substitution 2
= 29.85 ( 12 )
3"3 1
– Correct answer with units
–1
3
R = 8.28 x 10 Pa K

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