Cold air is more dense than hot air. This is because gas expands when it is heated.
yes 1 mole hot air have more volume then cold air
Yes, there is a difference in weight between hot air and cold air. Hot air is lighter than cold air because the molecules in hot air are more energetic and spread out, decreasing the overall density of the air. This difference in weight is a factor in phenomena such as convection currents.
Cold air has more density than hot air.
I hate questions like this one. Do you know why? Because I fear that the TEACHERS asking the question of their students are either IGNORANT of the subject matter they are supposed to be teaching or are asking a TRICK question of their students, which is almost always intellectually dishonest. Hopefully, it's just a poorly worded question by the poster of the question. Okay, I'll shut up and answer the question. A quantity of cold air can occupy a greater volume of hot air -- if there is more cold air than hot air!!!! If you've got two liters of cold air, that's a greater volume than one liter of hot air!!!!!! But what if you've got 0.1 kilogram of hot air and 0.1 kilogram of cold air? You've got the same amount of matter, right? They have the same mass: 0.1 kg. Will the hot and cold air occupy the same volume? NO!!! The hot air is less dense, which means it occupies MORE volume per unit mass than the cold air. So, if you have equal masses of hot and cold air, the hot air will have greater volume.
It all has to do with the difference between the two. One is colder than the other. And why? Because the hot air has more kinetic energy than the cold air. This means the hot air particles are moving a lot faster, and are more spread apart. If the particles are more spread out, the cold air would be more dense than the hot air, and therefore the hot air will remain above the cold air.
No, hot air is actually lighter than cold air. This is because the molecules in hot air move faster and spread out, resulting in lower density compared to cold air where the molecules are closer together and more tightly packed.
No, hot air is less dense than cold air.
Hot air is denser than cold air because the molecules in hot air are moving faster and have more energy, causing them to be more spread out and collide with each other more frequently. This increased collision frequency results in hot air having a higher density compared to cold air.
no cold air is heavier because it sinks and hot air rises
Yes.
Hot air rises, so is lighter than cold air.
Cold air. At the same pressure, the VOLUME of a gas will be proportional to the absolute temperature - that is, to temperature expressed in Kelvin. Density is inversely proportional to volume.