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The mass of H_(2) molecule is 3.32xx10^(-24) g .If 10^(23) hydrogen molecules per second strike 2 cm^(2) of wall at an angle of 45^(@) with the normal,when moving with a speed of 10^(5) cm/s,the pressure exerted on the wall is nearly |
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Answer» `1350 "N/m"^(2)` |
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