- #1

elliotyang

- 5

- 0

## Homework Statement

Calculate the thickness of Earth's atmosphere.

Assume that the pressure and temperature do not vary with height.

Make reasonable assumptions for their values.

## Homework Equations

I think this question has to be solve with ideal gas equation which is PV=nRT

## The Attempt at a Solution

Since the problem stated that the pressure and temperature do not vary with height,

so I assume it is stp which pressure is 1atm, and 25

^{。c}(I suppose the absolute temperature for ideal gas law to be 273 K, but it seems to be impractical and not consistent with the problem).

then i stuck, i do not know how to obtain the value for n.