Scelta multipla
Which of the following is equivalent to a pressure of 450 mm Hg?
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7. Gases
Pressure Units
Scelta multipla
Which of the following is a unit commonly used to measure pressure?
A
kg
B
mol
C
L
D
atm
Guida verificata passo dopo passo1
Understand that pressure is defined as force applied per unit area. Therefore, units of pressure must reflect this relationship.
Recognize that 'kg' (kilogram) is a unit of mass, not pressure.
Know that 'mol' (mole) is a unit used to count the number of particles or amount of substance, not pressure.
Identify that 'L' (liter) is a unit of volume, which is not used to measure pressure.
Recall that 'atm' (atmosphere) is a common unit of pressure, representing the pressure exerted by the Earth's atmosphere at sea level.
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