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The air molecules move farther apart from each other, therefore making it less dense. That's why hot air moves above cool air.

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12y ago

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What happens to air molecules when air is heated.?

the hot-air molecules bang on each other harder.


What happens to air molecules air is heated?

the hot-air molecules bang on each other harder.


When air gets hot what happens to it?

When air gets hot, its molecules gain more energy and move faster, causing the air to expand and become less dense. This decrease in density leads to the air rising, creating air currents and convection.


What happens when a compressed air can gets hot?

When a compressed air can gets hot, the internal pressure increases due to the expansion of the air molecules. This can lead to the can becoming pressurized beyond its designed limit, potentially causing the can to burst or explode. It is important to store compressed air cans in a cool place to prevent overheating.


What happens to the movement of molecules when their temperre is raised?

The molecules start moving faster and spread out, meaning that the air is warm/hot.


What happens to a balloon on a hot day and what might happen if it gets to hot?

When air is heated, its volume increases. If you fill a balloon with comparably cold air and then let it touch hotter air, the air inside will expand and thereby increase the pressure on the balloon membrane. If this pressure gets too strong, the balloon might pop.


What happens when a Bunsen gauze gets hot?

.it gets hot and if you tuch it it will burn you what happens is it steams


How do the molecules of hot air differ from the molecules of cold air?

Hot air molecules have more kinetic energy and move faster than molecules in cold air. This results in hot air being less dense and having lower air pressure compared to cold air.


What happens to the air molecules inside a hot air balloon?

When the air inside a hot air balloon is heated, the molecules gain energy and begin to move faster, causing the air to expand and become less dense than the surrounding cooler air. This lower density air in the balloon then creates lift, allowing the balloon to rise.


How does a hot air balloon go up?

The more you heat a gas the more it's molecules spread out, hence the lighter it gets.


When you open a refrigerator does cold air escape or hot air gets in?

I am a Mechanical Engineer so I could say with confidence that cold does not escape. Air that is heated have air molecules that are excited and therefore move into your fridge.


Do air molecules move fast in hot weather or slow?

Air molecules move faster in hot weather and slower in cold weather.