Kenobi1
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forty miles above the earth's surface the temperature is 250k and the pressure is only 0.20 torr. what is the density of air at this altitude? (assume the molar mass of air is 28.96 g/mol)


i got that D=3.71*10^-4 is this right?

Respuesta :

okpalawalter8

For a Forty miles above the earth's surface, the temperature at 250k and the pressure at only 0.20 torr, the density of air at this altitude  is mathematically given as

d=3.732*10{-4}g/l

What is the density of air at this altitude?

Generally, the equation for the ideal gas   is mathematically given as

PV=(m/mw)RT

Therefore

d=m/v

d=26,664*20/83.14*250

d=0.37152

d=3.732*10{-4}g/l

In conclusion, the density

d=3.732*10{-4}g/l

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