1 answer

A balloon is filled with 1000 cm3 of air. The balloon is inside a house where...

Question:

A balloon is filled with 1000 cm3 of air. The balloon is inside a house where the temperature is 20 °C. The balloon is taken outside where the air temperature is 10 °C. Assume the pressure of the air inside the balloon remains constant. Select all the correct descriptions for what happens to the air in the balloon Correct descriptions for the air in the balloon When the balloon is outside the house, it has a volume less than 1000 cm3 Heat energy is removed from the air in the balloon Answer Bank When the balloon is outside the house, it has a volume equal to 1000 cm3 Heat energy is added to the air in the balloon. The air in the balloon does work on the atmosphere The atmosphere does work on the air in the balloon.

A balloon is filled with 1000 cm3 of air. The balloon is inside a house where the temperature is 20 °C. The balloon is taken outside where the air temperature is 10 °C. Assume the pressure of the air inside the balloon remains constant. Select all the correct descriptions for what happens to the air in the balloon Correct descriptions for the air in the balloon When the balloon is outside the house, it has a volume less than 1000 cm3 Heat energy is removed from the air in the balloon Answer Bank When the balloon is outside the house, it has a volume equal to 1000 cm3 Heat energy is added to the air in the balloon. The air in the balloon does work on the atmosphere The atmosphere does work on the air in the balloon.

Answers

PV = n RT. In this case, P, n, R remained constant.

V∞ T

Temperature dropped by 10oC, so volume will be reduced.

As the volume gets reduced; there will be a contraction in size,

The correct description would be

When the balloon is outside the house, it has a volume less than 1000 CC.

Heat energy was removed from the air in the balloon to the atmosphere.

The atmosphere did work on the balloon.

.

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