The change of state from a gas to a liquid.
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Refers to molecules that contain only two atoms.
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A substance that cannot dissolve.
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To change, or cause something to change, into gas or vapour.
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At a set temperature, the volume of an ideal gas is inversely proportional to its absolute pressure.
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Usually referring to a pocket of liquid within the cytoplasm of a cell, which is used to enclose and transport chemicals.
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The temperature at which a liquid changes to a gas, at atmospheric pressure.
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The amount of space a substance occupies.
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A colourless and odorless gas that belongs to the alkane group of hydrocarbons.
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A star which suddenly increases in brightness in an explosive burst of light, and then eventually fades away.
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A substance which turns easily to a vapour at normal temperatures and pressures.
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When a solid changes directly into a gas, without passing through a liquid stage.
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Easily ignited, able to catch fire easily. Flammable materials may be solids, liquids, or gases.
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A small gas burner commonly used in laboratories for heating and sterilising.
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A homogeneous mixture of more than one substance, with the different particles evenly distributed throughout.
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A layer of gas surrounding a planet or star, held in place by gravity.
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A collection of billions of stars, along with gas and dust, held together by its own gravity.
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The spread of particles from an area of high concentration to an area of low concentration.
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The random movement of small, visible particles suspended in a liquid or gas, when viewed under a microscope.
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The formation of solid crystals from a solution, or a cooling liquid or gas.
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Discover what is happening when you crack your knuckles. And for starters, your knuckles don't crack, they pop.



Biology - Human Body - Learni

ng Points.

Your knuckles do n

ot crack - they pop!

The...

Amazing facts about digestive organs. Find out what they are, how they work, and how some animals' are different.
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ea
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Discover how different materials react to heat, and why this can be both useful and dangerous. Physics - Energy And Radioactivity - Learning Points. Temperature affects the size and shape of an object due to the expansion and contraction...

How French Chemist Antoine Lavoisier revealed the true significance of oxygen and brought about the birth of modern chemistry. Chemistry - Periodic Table - Learning Points. Antoine Lavoisier experimented with weighing substances before...