- #1

harman12345

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## Homework Statement

a) what is the density of dry air when the surface pressure is 1010hPa and the temperature is 27°C.

b) what is the internal energy of 1kg of dry air under these conditions?

## Homework Equations

P=p*R*T where P is pressure and p is density.

## The Attempt at a Solution

a) p = RT/P by solving it gives me

[287*(273+27)] / 101000 => 0.852kg/m

can someone please check what i did for part (a) is right or not?

b) i don't really get where to go with this question. So some help would be really appreciated thanks!