Question

answer this question

Answer 1

heya!
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ur answer

Answer 2

Hey! Look.............. Here!

Volume of the room, V = 25.0 m3

Temperature of the room, T = 27°C = 300 K

Pressure in the room, P = 1 atm = 1 × 1.013 × 105 Pa

The ideal gas equation relating pressure (P), Volume (V), and absolute temperature (T) can be written as:

PV = kBNT

Where,

KB is Boltzmann constant = 1.38 × 10–23 m2 kg s–2 K–1

N is the number of air molecules in the room

∴ N = PV / kBT

= 1.013 × 105 × 25 / (1.38 × 10-23 × 300)

= 6.11 × 1026 molecules

Therefore, the total number of air molecules in the given room is 6.11 × 1026.