The density of oxygen gas is
ρ= 0.0224 m 3
0.0320 kg
=1.43 kg/m 3
From v= B/ρ
we find
B=v 2 ρ
=(317 m/s) 2 (1.43 kg/m 3 )
=1.44×10 5 Pa.
Speed of sound
The speed of sound is the distance travelled per unit of time by a sound wave as it propagates through an elastic medium. At 20 °C (68 °F), the speed of sound in air is about 343 metres per second (1,125 ft/s; 1,235 km/h; 767 mph; 667 km), or one kilometre in 2.9 s or one mile in 4.7 s. It depends strongly on temperature as well as the medium through which a sound wave is propagating. At 0 °C (32 °F), the speed of sound in air is about 331 m/s (1,086 ft/s; 1,192 km/h; 740 mph; 643 km).
To learn more about the speed of sound refer here:
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