the-molar-mass-of-nitrogen-is-28-01-g-mol-if-the-speed-of-the-nitrogen-molecules

Question

The molar mass of Nitrogen is 28.01 g/mol. If the root-mean-square speed of the nitrogen molecules is 509 m/s, how many molecules with this speed moving between the left and right faces of a cube of length 0.2 m are required to produce a pressure of 1.5 atm?

Accepted Answer

1.01 × 10²³ molecules

Answer

3.03 × 10²³ molecules

Answer

2.02 × 10²³ molecules

Answer

1.01 × 10²² molecules

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The molar mass of Nitrogen is 28.01 g/mol. If the root-mean-square speed of the nitrogen molecules is 509 m/s, how many molecules with this speed moving between the left and right faces of a cube of length 0.2 m are required to produce a pressure of 1.5 atm?