10 Questions
What is the fourth state of matter, which exists only at very high temperatures?
Plasma
At ordinary temperature and pressure, in which state does water exist?
Liquid
At what temperature can water be passed into the gaseous state?
100°C
What is the point at which three phases of a component exist together called?
Triple point
At what pressure and temperature does water have all three phases in equilibrium?
4.58 mm Hg and 0.0098°C
What is the relationship between temperature and the conversion of gaseous state to the liquid and solid states?
As temperature decreases, the gaseous state can convert into the liquid and then into the solid state.
How is the mass of a gas related to its number of moles?
n = w/M, where n is the number of moles, w is the mass in grams, and M is the molar mass.
Which unit is used for expressing the pressure of a gas with reference to force per unit area of the walls?
Torr
What is the relationship between Celsius and Fahrenheit scales?
0°C = 32°F and 37°C = 98.6°F
What does a standard or normal atmospheric pressure exerted by a mercury column measure at 0°C?
76 cm
Learn about the introduction to the gaseous state and the classification of matter into solid, liquid, gas, and plasma. Understand how plasma is formed at very high temperatures, resulting in the fourth state of matter.
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