Question

plz... answer this question​

Answer 1

Answer:

answer is option 1 87°C

Answer 2

Answer:

You now ideal gas equation

$PV = nrT$

V = area × length

$P \times al = nrT$

So length is proportional to temperature . Or there ratio will be constant .

$\frac{18}{300} = \frac{21.6}{T} \\ T \approx \: \: 360 \: k = 360 - 273 = 87c$