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Which is more dense – air that is 90 degrees or air that is 40 degrees?

Updated: 10/15/2021
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Christian Barral

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2y ago

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Colder air is denser than warmer air

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Joe Oberbrunner

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2y ago
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Q: Which is more dense – air that is 90 degrees or air that is 40 degrees?
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Related questions

Which is more dense air that is 90 degrees or air that is 40 degrees?

Colder air is denser than warmer air


Which is more 40 degrees or 100 degrees?

100 is more.


What is -40 degrees Fahrenheit in degrees celsius?

(-40) degrees Fahrenheit = (-40) degrees Celsius.


Why are most of the arid and semi-arid environments of the world found between 20 degrees north and 40 degrees north latitudes and 20 degrees south and 40 degrees south latitudes?

At the equator the moist air rises and rain falls over the tropics. The air then moves north and south of the equator and sinks between 20 degrees and 40 degrees north and south. Since the air is now dry and sinking, little rain falls and the areas around these latitudes are deserts and semiarid lands.


What is the third angle of a triangle that has 100 degrees and 40 degrees?

180 degrees - 100 degrees - 40 degrees = 40 degrees


What is negative 40 degrees fahrenheit in celsius?

Its the same, -40 degrees Fahrenheit = -40 degrees Celsius.


What is 40 degrees celsius in degrees fehrenhit?

- 40 degrees


What is -40 degrees celsius in Fahrenheit degrees?

It is also -40-40 degrees Celsius equals - 40 degrees Fahrenheit. Easy to remember.


What does -40 degrees celsius equal to somthing degrees fahrenheit?

-40 degrees Celsius is -40 degrees Fahrenheit.


What is minus 40 degrees expressed as degrees centigrade?

-40 degrees Fahrenheit is equal to -40 degrees Celsius.


How do scientists classify air masses?

Scientists classify air masses according to their general characteristics and latitude. Artic air masses form at around 60 degrees latitude, Polar masses are at around 40 degrees latitude, warm tropical air masses are at 15 degrees latitude and very hot air masses form near the equator.


What gas makes your voice deeper?

The speed of sound varies with the density of whatever it travels through. Something less dense than air means a faster relative speed of sound, something more dense means a slower relative speed of sound. The slower sound moves, the lower we perceive it's pitch, the faster the speed, the higher the perceived pitch. Vocal chords stretch and tighten to make sounds of different pitches. If you replace the air (Nitrogen-Oxygen mix) with something LESS dense like Helium (1/6th the density of air) then the sounds made by the vocal chords working exactly the same as they did in air, will have a higher apparent pitch because the sonds they make move faster through helium than they do through air. Please note, the vocal chords are NOT moving any faster than they do in air. So with something more dense than air (like xenon about 4 times more dense, or even better Sulfur Hexafluoride about 16 times more dense than air and 40% more dense than water!) the sound will have an apparently lower pitch, because the sound made by the vocal chords will move more slowly through the denser gas and so have a LOWER perceived pitch.