Question 2 (1 point) What happens inside when an air-filled, sealed can is heated? The collisions of air molecules against the wall of the can are stronger and more frequent. The collisions of air molecules against the wall of the can are weaker and less frequent. The collisions of air molecules against the wall of the can do not change. D View hint for Question 2

The correct answer is:<br /><br />**The collisions of air molecules against the wall of the can are stronger and more frequent.**<br /><br />### Explanation:<br />When an air-filled, sealed can is heated, the temperature of the air inside increases. According to the **kinetic molecular theory**, as the temperature rises, the kinetic energy of the air molecules also increases. This causes the molecules to move faster, leading to:<br /><br />1. **Stronger collisions**: The increased speed of the molecules results in more forceful impacts against the walls of the can.<br />2. **More frequent collisions**: Faster-moving molecules collide with the walls more often.<br /><br />This increase in both the strength and frequency of collisions leads to a rise in pressure inside the can, as described by **Gay-Lussac's Law** (pressure is directly proportional to temperature for a fixed volume).