Scelta multipla
What does the constant bombardment of gas molecules against the inside walls of a container produce?
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7. Gases
Pressure Units
Scelta multipla
Which of the following is NOT a unit of pressure?
A
Torr
B
Joule
C
Atmosphere
D
Pascal
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Understand that pressure is defined as force applied per unit area, and its SI unit is the Pascal (Pa), which is equivalent to one Newton per square meter (N/m\^2).
Recognize that common units of pressure include the Pascal (Pa), Torr, and Atmosphere (atm), all of which measure pressure in different scales or contexts.
Recall that the Joule (J) is a unit of energy, not pressure. It measures work or energy, defined as one Newton meter (N\(\cdot\) m).
Compare each option to confirm which units represent pressure and which do not: Torr, Atmosphere, and Pascal are pressure units, while Joule is not.
Conclude that the unit which is NOT a unit of pressure among the given options is the Joule.
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