Atmospheric pressure on Earth at its surface is 101 KPa (101 kilopascals or 101,000 N/m2). Which of these statements is true. When we reduce the pressure in the container while keeping the temperature constant, the number of atoms per m3 must stay constant. At 1 atmosphere, the number of atoms/m3 in air at room temperature is about 109, one billion atoms. If we pump out the gas in a closed container leaving only 1 billionth of the original gas there will be fewer than 100 atoms per m3 in the container. If we pump out the gas in a closed container leaving only 1 billionth of the original gas there will still be more than 1010 (10 billion) atoms per cm3 in the container.

Answered: Atmospheric pressure on Earth at its…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Atmospheric pressure on Earth at its surface is 101 KPa (101 kilopascals or 101,000 N/m²). Which of these statements is true.

		When we reduce the pressure in the container while keeping the temperature constant, the number of atoms per m³ must stay constant.
		At 1 atmosphere, the number of atoms/m³ in air at room temperature is about 10⁹, one billion atoms.
		If we pump out the gas in a closed container leaving only 1 billionth of the original gas there will be fewer than 100 atoms per m³ in the container.
		If we pump out the gas in a closed container leaving only 1 billionth of the original gas there will still be more than 10¹⁰ (10 billion) atoms per cm³ in the container.

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