Example Determine the mass of the air in a room whose dimen

Example . Determine the mass of the air in a room whose dimensions are 4 m* 5 m 6 m, at 100 kPa and 25 \'C. (R=0.287 kPa·m2/kg·K) 6 m 4 m AIR p = 100 kPa T = 25°C S m ME 311 Lecture 4

The Universal gas equarion for ideal gas, PV=mRT

Where, P = Pressure in KPa

V =Volume in m³

M =Mass in kg

R = Gas Constant KPa.m³ / ( Kg. K)

T = Temperature in K

V = Volume of the Room = LxBxH

= 4*5*6 = 120m³

m = PV / (RT)

= 100*120 / (0.287*298.15)

= 12000 / 85.56

m = 140.25 Kg

$Example . Determine the mass of the air in a room whose dimensions are 4 m* 5 m 6 m, at 100 kPa and 25 \'C. (R=0.287 kPa·m2/kg·K) 6 m 4 m AIR p = 100 kPa T = 2$

Example Determine the mass of the air in a room whose dimen

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