In a line graph comparing two variables, the independent variable is plotted along this axis

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daniel9299

14.06.2020

Physics

$v_{rms}=13.03ms^{-1}$

Explanation: Using ideal gas equation:

PV = nRT

$T=\frac{PV}{nR}$

P= pressure = 3.5 atm

V= volume = 8.5m^3=8500L

n = no of moles = 1900

R= gas constant =0.0821 Latm\molK

$T=\frac{3.5\times 8500}{1900\times 0.0821}=190.7K$

$v_{rms}=\sqrt{\frac{3RT}{M}}$

R= gas constant = 8.314 J/Kmol

T= temperature = 190.7 K

M= molecular mass of nitrogen = 28 g/mol

$v_{rms}=\sqrt {\frac {3\times 8.314\times 190.7}{28}}$

$v_{rms}=13.03ms^{-1}$

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