alleryStart learning →The pressure unit called the torr is named after which scientist?
AEvangelista Torricelli
BGuillaume Amontons
CAmedeo Avogadro
DJohannes van der Waals
Answer & Solution
Correct answer: A. Evangelista Torricelli
1. The torr is defined as one seven hundred and sixtieth of an atmosphere.
2. It carries the name of Evangelista Torricelli, who invented the barometer.
3. Amontons worked on the pressure and temperature of gases, and Avogadro on volume and amount, so neither is linked to this unit.
4. Van der Waals gave his name to the corrected gas equation, not to a pressure unit.
_Source: OpenStax Chemistry (CC BY 4.0), Ch 9 "Gases", section 9.1 Gas Pressure_
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