Multiple Choice
Which of the following describes what happens as the temperature of a gas in a balloon increases, according to the kinetic molecular theory?
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7. Gases
Kinetic Molecular Theory
Multiple Choice
Which of the following statements is explained by the kinetic molecular theory?
A
Gases conduct electricity because their particles are charged.
B
Gases are heavier than solids because their particles move faster.
C
Gases have definite volume and shape due to strong intermolecular forces.
D
Gases expand to fill their containers because their particles are in constant, random motion.
Verified step by step guidance1
Recall that the kinetic molecular theory explains the behavior of gases based on the motion and energy of their particles.
Understand that according to the kinetic molecular theory, gas particles are in constant, random motion, which causes gases to expand and fill the shape and volume of their containers.
Evaluate each statement by comparing it to the principles of the kinetic molecular theory: for example, gases do not conduct electricity because their particles are charged; this is incorrect because gas particles are neutral.
Recognize that gases do not have definite volume and shape; instead, they take the shape and volume of their containers due to weak intermolecular forces, which aligns with the kinetic molecular theory.
Conclude that the statement 'Gases expand to fill their containers because their particles are in constant, random motion' correctly reflects the kinetic molecular theory.
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