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You can separate air into two different substances by density what is air?
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When two unlike air masses what usually keeps them separate?
Density differences is usually what would keep air masses separate.
What has more chemicals helium or air?
Air has many more different substances than helium, which is a single substance. Outside air contains helium.
Can two different substances with the same volume have similar masses?
Take three identical bottles. Fill one with air, one with water, and one with stones. The volumes of all three bottles are the same, but their weights are different, because they contain different masses. Different substances can easily have different masses in the same volume. That's why the concept of "density" is so useful.
When you compare the density of water or air with another object how can you tell which has the lower or higher density?
-- If the object floats in water, then its density is less than the density of water. -- If the object sinks in water, then its density is more than the density of water. -- If the object floats in air, then its density is less than the density of air. -- If the object sinks in air, then its density is less than the density of air.
Does the speed of light ever slow down?
The speed of light is different in different substances ... air, water, glass, jello, etc.
How do scuba divers use density?
Divers use substances with high density (ie. lead) to help them sink, and substances with low density (ie. air) to help them float. That way they control their bouyancy.
When two unlike air masses what usually keeps them separate?
Density differences is usually what would keep air masses separate.
When two unlike air masses meet what usually keeps them separate?
Density differences is usually what would keep air masses separate.
Does helium have more density than air?
Yes, all substances have density. Helium has a density of 0.1664 g/liter at 20°C and one atmosphere of pressure.
How does density of material affect burn rate?
All else being equal, for the same material, the more dense it is (i.e. the less air it contains) the slower it will burn.There is no overall general rule relating density of different substances and their burn rate.
Why don't mostsubstance float in air if they float in water?
It is waters greater density than air that allows some substances to float on water.
Warm air and cold are what?
warm air and cold air are both different pressures and density's!!!!
How do hot air balloons use the principle of bouyancy?
Hot air balloons heat up contained air so that the density of it becomes significantly less than the outside air and thus the container (balloon) will rise of float in the surrounding air until the density difference is null. Buoyancy is just that, less dense substances floating or rising in more dense substances. The other approach is saying more dense substances sink in less dense substance.
How are temperature and density of air related?
cold air has higher density, by hot air is opposite
What are three uses of filters to separate components of mixtures?
1) To separate bacteria and dirt from water 2) To ensure that air is free of dust and other substances
Why does sound seem different in salt air at beach?
Air density inhibits sound wave travel.
How do you think the density of heated air compares to the density of cooler air?
The density of heated air is less than the density of cooler air.
