A sealed cubical container 27.0 cm on a side contains three times Avogadro's number of molecules at a temperature of 21.0
We can use the ideal gas equation PV = nRT for
this.
P = nRT/V
n = 3 moles, V = 0.27^3 = 0.019683 m^3, T = 294.15 K, R = 8.314472
J/(mole-K)
P = nRT/V
P = 372763.5938 Pa
F = PA =372763.5938*0.27^2
= 27174.465 N
number of moles = 3
PV = nRT
P*0.27^3 = 3*8.314*(21+273)
P = 372552.35 Pa
F = P*A = 372552.35*6*0.27^2 = 162.954 kN
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