Test Academy | A flask contains 10⁻³ m³ gas. At a temperature, the number of molecules of oxygen are 3.0x10²² . The mass of an oxygen molecule is 5.3 10⁻²⁶ kg and at that temperature the rms velocity of molecules is 400 m/s. The pressure in N /m² of the gas in the flask is 8.48 x 10⁴, 2.87 x 10⁴, 25.44 x 10⁴, 12.72 x 10⁴

Question

A flask contains 10⁻³ m³ gas. At a temperature, the number of molecules of oxygen are 3.0x10²² . The mass of an oxygen molecule is 5.3 10⁻²⁶ kg and at that temperature the rms velocity of molecules is 400 m/s. The pressure in N /m² of the gas in the flask is

Options :

8.48 x 10⁴
2.87 x 10⁴
25.44 x 10⁴
12.72 x 10⁴

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