A-LevelPhysicsIdeal gases9702/12 · Oct/Nov 2009 · Q171 Mark
In the kinetic model of gases, what is pressure equal to?
Athe number of atoms hitting and rebounding from a surface of the gas container
Bthe number of atoms hitting and rebounding from a unit area of the gas container surface
Cthe force exerted by the atoms hitting and rebounding from a surface of the gas container
Dthe force exerted by the atoms hitting and rebounding from a unit area of the gas container surface
✓ Correct answer
D: the force exerted by the atoms hitting and rebounding from a unit area of the gas container surface
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