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physical change

In gas phase the molecules take more room, move fasterover (1000 times) longer distances before collating to other molecules as compaired to liquid.

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Ambrose Krajcik

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2y ago

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What kind of change happened to water to water vapor?

The change that occurs when water turns into water vapor is called evaporation. This process happens when water is heated, either by the sun or another heat source, causing the water molecules to gain enough energy to escape into the air as a gas.


What kind of change occurs when salt dissolves in water chemical or physical?

When salt dissolves in water, it undergoes a physical change, not a chemical change. This is because the chemical composition of salt (NaCl) remains the same before and after dissolving in water. The salt molecules are simply dispersed in the water, forming a homogeneous mixture.


What kind of state change did some of the water go through to make it disappear?

The water went through a phase change from liquid to gas, in a process known as evaporation. The heat energy from the surroundings caused the water molecules to gain enough kinetic energy to escape into the air as water vapor.


What kind of chemical change turns to produce acetylene gas?

The chemical change that produces acetylene gas is the reaction between calcium carbide (CaC2) and water. This reaction forms calcium hydroxide (Ca(OH)2) and acetylene gas (C2H2).


What is a change that forms a different kind matter?

A chemical change is a transformation where substances are converted into different kinds of matter with new properties. This involves the rearrangement of atoms and the formation of new chemical bonds. An example of this is when hydrogen and oxygen combine to form water.