Which of the following would cause a decrease in the volume of a sealed balloon filled with air? (2 points) addition of another gas a decrease in temperature addition of more air a decrease in pressure

A decrease in temperature will cause a decrease in the volume of a sealed balloon filled with air. Temperature and pressure usually act together.This is because, reducing the temperature of a volume of gas will reduce the kinetic energy of the atoms of the gas, leading to a slower movement of the atoms and thus reducing the number of time the particles of the gas collide will the wall of the container; this means that the pressure has been reduced. This will reduce the volume of the gas. The reverse is also true.  

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