Pouring liquid nitrogen onto a balloon decreases the volume of the balloon dramatically. Afterward, the balloon re-inflates. Use kinetic theory to explain this sequence of events. The temperature of liquid nitrogen is -196 degrees Celsius

Answer 1

Decreasing temperature decreases molecular motion, the molecules strike the sides of the balloon less frequently and with less energy, therefore the pressure is decreased which results in a volume decrease. The reverse takes place when the temperature is increased.