What mass of nitrogen gas must be released into an 18 L automobile air bag if the pressure in the bag is to be

0 ⤊

What mass of nitrogen gas must be released into an 18 L automobile air bag if the pressure in the bag is to be

What mass of nitrogen gas must be released into an 18 L automobile air bag if the pressure in the bag is to be 2.0 atm at a temperature of 20°C?

2007-07-18 10:30:26 · 2 answers · asked by justjrry 3 in Science & Mathematics ➔ Chemistry

2 answers

PV = nRT

R = 0.082 L-atm/mol-degK

(2.0 atm)(18L) = (molN2)(0.082)(293degK)

molN2 = (2.0)(18)/(0.082)(293) = 1.5 mol N2

1.5molN2 x 28gN2/1molN2 = 42gN2

2007-07-18 11:53:42 · answer #1 · answered by steve_geo1 7 · 0⤊ 0⤋

I have confirmed the answer above.

2007-07-18 19:02:00 · answer #2 · answered by Anonymous · 0⤊ 0⤋