Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoKinetic Theory of Gases and Gas LawsMedium2 minQB
PhysicsMediumsingle choice
If the atmosphere were made only of oxygen instead of mostly nitrogen (same number of molecules above the ground), would barometers read higher or lower than now?
Options:
Answer:
A
Solution:
Pressure at the ground is the weight of the air column per unit area. With the same number of molecules, oxygen (32 g/mol) outweighs nitrogen (28 g/mol), so the reading is higher. A.
Subject:PhysicsTopic:Heat & ThermoSubtopic:Kinetic Theory of Gases and Gas Laws
⏱ 2mℹ️ Source: QB
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