객관식
At standard temperature and pressure (STP), what is the volume occupied by 12.0 grams of oxygen gas (O_2)? (Atomic mass: O = 15.99 grams/mole)
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7. Gases
Standard Temperature and Pressure
객관식
Which of the following best describes standard temperature and pressure (STP) as commonly used in general chemistry?
A
298 K and 1 bar
B
273 K and 1 atm
C
273 K and 1 bar
D
298 K and 1 atm
검증된 단계별 안내1
Understand that STP (Standard Temperature and Pressure) is a set of conditions commonly used in chemistry to provide a reference point for experiments and calculations involving gases.
Recall the standard temperature value for STP, which is the freezing point of water, given as 273 K (0 degrees Celsius).
Recall the standard pressure value for STP, which is 1 atmosphere (atm), a unit of pressure commonly used in chemistry.
Compare the given options to these standard values: temperature = 273 K and pressure = 1 atm.
Conclude that the option '273 K and 1 atm' best describes STP as commonly used in general chemistry.
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