Air filled balloons in cold weather

Asked by maham237 @ in Chemistry viewed by 410 People

An air-filled balloon shrank when moved from a warm room to a refrigerator. Which statement BEST explains why the balloon shrank?
A. The mass of the air decreased as the balloon cooled.
B. Internal pressure of the balloon decreased due to lower kinetic energy.
C. The volume of air decreased as the number of particles decreased.
D. External pressure on the balloon increased due to lower temperature.

Answered by maham237 @


Answer:

B. Internal pressure of the balloon decreased due to lower kinetic energy.

Explanation:

The balloon shrank when moved from the warm room to the cold refrigerator because the internal pressures of the balloon decreased due to lower kinetic energy.

  • As the balloon approaches the refrigerator, the particles begins to lose their heat energy.
  • The kinetic energy of the particles in a body is directly proportional to the amount of heat.
  • Since we move from a warm to a cold place, the kinetic energy drops too.

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