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Pumice would fit the description of a gas filled extrusive igneous rock that cools quickly.
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∙ 12y ago
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Why pumice is porous?
Pumice forms when a volcano erupts gas-rich material. Some of this material forms a sort of foamy lava, filled with gas bubbles. This cools rapidly and solidifies with the bubbles left in place, forming a highly porous rock. In volcanic rock this texture is called vesicular.
What is a open cavity in a volcanic rock that was filled by gas bubble when the lava was still mainly liquid?
Vesicle
If four balloons are filled with different gases at STP which balloon would go down most quickly the balloon filled with gas CO2 or ch4 or n2 or o2?
Alfi all
The process in which gas cools and becomes a liquid is called what?
A gas changes to a liquid through condensation.
How is pumice and sandstone different?
Sandstone is a sedimentary rock formed when sand is deposited and cemented together into a solid rock. Pumice is an igneous rock notable for being filled with holes. It is formed when a volvano erupts foamy lava filled with gas bubbles that are locked in place when the lava solidifies.
What kind of rock is pumice?
Pumice is an igneous rock. Pumice is formed by hot lava filled with gas cools quickly and forms.
How does pumice form?
Pumice is an igneous rock that forms when magma traps gas bubbles and cools quickly. The gas dissipates and leaves the distinctive porous nature of the pumice
Why do pumice and scoria have holes in them?
Pumice is acutally a volcanic rock. after the volcano erupts, the lava cools. It's mixed with water and cools very fast, which causes the water and air in the lava to be expelled quickly, causing holes.
What is lava blown into the air cools into small pieces of rock which are puffed up by gas?
igneous rock
What happens when magma cools quickly?
Several different things depending on the speed of cooling: -Smaller crystals-the less time there is to cool, the smaller the crystals -vesicles-If the lava cools quick enough, the gas trapped inside the lava doesn't have time to explain leaving gas cavities in the igneous rock. -glassy texture-if the magma cools quick enough, crystals don't have time to form. [NB:there may be other causes which I haven't noted which may be added to this answer later in an edit]
Why pumice is porous?
Pumice forms when a volcano erupts gas-rich material. Some of this material forms a sort of foamy lava, filled with gas bubbles. This cools rapidly and solidifies with the bubbles left in place, forming a highly porous rock. In volcanic rock this texture is called vesicular.
Explain the construction of an air conditioner?
it compresses a gas (freon or something like it), which heats the gas. Then it cools the gas (radiator grill on the outside) Then it lets the gas expand ... which cools the gas ... which cools the inside air.
What is a open cavity in a volcanic rock that was filled by gas bubble when the lava was still mainly liquid?
Vesicle
What is the type of rock grain that form when molten rock cools so fast that it traps pockets of air inside?
Vesicular igneous rock is formed when pockets of gas are trapped during rapid cooling of lava.
When gas cools it does what?
contrast
What is the process called when Gas cools to form liquid?
The process in which a gas cools to form a liquid is known as condensation.
What does a gas become when it cools and condenses?
A gas that cools and condenses can become either a liquid or a solid, depending on the pressure.
