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WorksheetsReal Gases
Total questions: 22
Worksheet time: 11mins
You can identify certain qualities of a gas by using the Ideal Gas Law, given by the equation: ___
P/V = nRT
P = VnRT
PVn = RT
PV = nRT
In the ideal gas law, R refers to the ___
universal gas constant
pressure of the gas
real gas value
number of moles of the gas
The problem with the ideal gas equation is that it only works ___
on real life situations
under hypothetical ideal circumstances
at very low temperatures
at very high pressures
Who figured out the "tricks" to understand and describe how gases behave in real life?
Robert Boyle
Fritz Haber
Svante Arrhenius
Johannes Diderik van der Waals
Van der Waals, the first of 10 children, was born in ___
1817 in Denmark
1827 in England
1837 in the Netherlands
1847 in Germany
A gas starts to deviate from what the ideal gas law predicts when ___
the particles are dispersed
the particles are crowded
under low pressure
at high temperatures
Finally at the age of 36, after trying for roughly two decades van der Waals was awarded ___
a high school diploma
a doctorate in theoretical physics
a Nobel Prize for his work
a prize for Exceptional Spell-Casting
What did van der Waals explain in his doctoral thesis?
the value of absolute zero
why real gases don't behave ideally
the importance of closed systems
solid state physics
In 1910 when he was 73 years old, van der Waals was awarded ___
a carpentry badge
a doctorate in theoretical physics
a Nobel Prize for his work
an International Wizarding Order of Merit
If the ideal gas law worked all the time, then PV divided by nRT should equal ___
Avogadro's number
one
the universal gas constant
the molar mass of the gas
The value of PV/nRT was found to change with increasing ___
pressure
temperature
volume
voltage
The amount that PV/nRT changes with pressure was found to be different for different ___
gases
temperatures
R values
isotopes
By sealing gas in a container so the amount of gas is constant, what kind of system is created?
a closed system
an open system
an isolated system
a lymphatic system
In a closed system, at constant temperature, the ideal gas laws says that any increase in pressure will cause ___
the volume to increase at an equal rate
the volume to decrease at an equal rate
the number of moles to decrease at an equal rate
the number of moles to increase at an equal rate
The existence of atoms was disputed until mathematically proven to exist by ___
Robert Brown in 1827
Robert Boyle in 1691
Albert Einstein in 1905
Linus Pauling in 1954
Van der Waal's correction to the volume term of the ideal gas law accounted for ____
the interactions between molecules
the thickness of the container walls
the electron clouds of particles
the space that the particles themselves take up
In Van der Waal's gas equation, "b" is an experimentally determined constant that's different for ___
every type of container
every type of gas
different temperatures
different altitudes
Even more so when they're close together, particles in real gases are ___
attracted to each other
repelled by each other
massless
mystical vapors
Van der Waal's correction for P accounted for the decrease in pressure that's caused by ___
electronegativity of molecules
intermolecular attractions
nuclear interactions
the size of the particles
For the calculations on the gas in Hank's balloon, using the "more accurate" van der Waals equation resulted in ___
no difference in pressure
a difference of 2 kilopascals
a difference of 12 kilopascals
122 kilopascals difference
The ideal gas law states that reducing the volume of a container by a factor of 100 results in ___
no pressure change
10 times as much pressure
100 times as much pressure
400 times the pressure
If you're planning a mission to the bottom of the Marianas Trench, which gas equation is the most accurate?
the ideal gas law
Boyle's law
van der Waal's equation
Charle's law
