Final answer:
The conversion between torr, atm, mmHg, and psi involves standard unit conversion in the field of Physics. One atmosphere (1 atm) is equivalent to 760 mmHg or 760 torr, and to convert between these units, multiplication or division by the relevant conversion factors is used, based on established scientific conventions.
Step-by-step explanation:
The question on conversion between torr, atm, mmHg, and psi relates to the subject of Physics, specifically in the context of fluid mechanics where pressure unit conversions are important. The conversion factors are essential to understanding and working with pressure measurements in various scientific and engineering fields.
Atmospheric pressure at sea level is commonly described as 1 atm, which is equivalent to 760 mmHg or 760 torr. This is because the pressure exerted by a column of mercury 1 mm high in a mercury barometer is defined as 1 torr (or 1 mmHg). Converting between these units is a matter of applying standard conversion factors.
For example, to convert atmospheres to torr, you'd multiply the atmospheric value by 760. The conversion to other units such as psi (pounds per square inch) would involve additional conversion factors based on the relationships established through scientific conventions and measurements.