Question

1.0mole of dinitrogen gas at STP condition was put into a vessel of volume 0.025m cube maintained at the temperature of 50degree c. What is the pressure of the gas in the vessel

Answer 1

Ideal gas equation is

PV = nRT

Where; P = pressure of the gas,

V = volume of the gas,

R = gas constant = 0.0821 L atm / (Kmol)

n = no. of moles of gas present

T = Absolute temperature

STP (standard temperature and pressure) represents conventional conditions established by IUPAC with T = 273.15 K,

volume 0.025m cube =25 L

p=nrt/v
=1* 0.0821 * 273.15 / 25

=0.8970 atm