Multiple Choice
How many liters of HNO3 gas, measured at 28.0 ºC and 780 torr, are required to prepare 2.30 L of 4.15 M solution of nitric acid?
7. Gases
The Ideal Gas Law
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Which of the following statements about an ideal gas is false?
A
An ideal gas is a theoretical gas.
B
In an ideal gas, the volume of the gas particles is insignificant compared to the volume of the container.
C
The molecules of an ideal gas are considered to be point masses.
D
Molecules in an ideal gas do not interact with each other.
E
Molecules in an ideal gas have inelastic collisions.
Verified step by step guidance1
Understand the concept of an ideal gas: An ideal gas is a theoretical model that simplifies the behavior of gases under certain conditions. It assumes that the gas particles are point masses with no volume and do not exert forces on each other except during elastic collisions.
Review the properties of an ideal gas: In an ideal gas, the volume of the gas particles is considered negligible compared to the volume of the container. This means the particles themselves take up no space.
Consider the interactions between molecules: In an ideal gas, molecules do not interact with each other except during collisions. These collisions are perfectly elastic, meaning that kinetic energy is conserved.
Evaluate the statement about collisions: The statement 'Molecules in an ideal gas have inelastic collisions' is false because, in an ideal gas, collisions are assumed to be elastic, not inelastic.
Identify the false statement: Based on the properties of an ideal gas, the false statement is the one regarding inelastic collisions, as ideal gas molecules have elastic collisions.
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