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Pentane is 0.626 g/cm^3 at 25 C and one atmosphere. Hydrogen is 0.070 g/cm^3 at -253 C and one atmosphere.
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Wiki User
∙ 12y ago
Wiki User
∙ 14y agoAerogel, i think.
It may be hydrogen.
Wiki User
∙ 10y agoH2 because it is hydrogen,which has a density of 0.072 kg/m3 which is 14 times less dense than air and much less dense than aerogel.
Wiki User
∙ 14y agoAerogel
Wiki User
∙ 12y agohydrogen
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In which layer of earth would you expect to find the least dense materials?
The crust is the least dense portion of the solid Earth because it is the thinnest layer.
What gas is the most or least dense when heated?
Hydrogen is the least dense gas.
Which type of planets are least dense?
Gas planets are least dense.
What layers contain the least dense materials?
The least dense layer of the earth is the Crust , the mantle is second densest , whereas the core is the most dense layer of the earth
What are Earths layers from outermost going inward?
From most dense at the core to least dense proceeding outward.
What materials are the least dense?
Gas
What is less dense water basalt iron or granite?
Water is less dense than any of the other materials listed.In order of density from least to highest:Water (least dense)GraniteBasaltIron (most dense)
Why some materials sinks in water while others do not?
Some materials sink in water because they are more dense than the water. Others float because they are less dense than water.
What are some materials that are reflective?
all materials reflect light, which makes color but more atomically dense materials reflect light better
In which layer of earth would you expect to find the least dense materials?
The crust is the least dense portion of the solid Earth because it is the thinnest layer.
Is Earth the least dense of all planets?
No. In fact it is the most dense planet. The least dense is Saturn.
What is the dense part of the earth?
One could say that the atmosphere is the least dense, but of the surface the crust is the least dense.
What gas is the most or least dense when heated?
Hydrogen is the least dense gas.
Which type of planets are least dense?
Gas planets are least dense.
Which 2 materials are the most dense?
the most dense is steel and aluminium.
Is cotton least dense?
'Least' is a comparison word. Compared to iron and lead yes cotton is least dense. Compares to oxygen gas and hydrogen gas, no it is not least dense.
What layers contain the least dense materials?
The least dense layer of the earth is the Crust , the mantle is second densest , whereas the core is the most dense layer of the earth
