Explain the residual gas in the system

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Reference no: EM13222871

If an atomically clean metal surface is generated in a vacuum system whose pressure is kept at 1.00 x 10^-12 Torr, how many atoms of oxygen per second are colliding with each square centimeter of the surface? The residual gas in the system has the same composition as air, and the temperature is 295K

Reference no: EM13222871

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