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Here are two examples:
Low entropy: -A carbon crystal structure at a temperature near absolute zero,
-A chunk of ice has low entropy
High entropy:- A box filled with two elements in their gaseous state, both of which are noble gases.
- Burning wood illustrates an increase in entropy heated very high temperature, with the gas "not very dense".
The entropy of a chemical system depends on its energy and its multiplicity, or how many different ways its atoms and molecules can be arranged. By adding new arrangements or energy, you increase entropy. A diamond, for example, has low entropy because the crystal structure fixes its atoms in place. If you smash the diamond, entropy increases because the original, single crystal becomes hundreds of tiny pieces that can be rearranged in many ways.
Burning wood illustrates an increase in entropy as The wood starts as a single, solid object. Fire consumes the wood, releasing energy along with carbon dioxide and water vapor, and leaving a pile of ashes. The atoms in the vapors and gases vibrate energetically, spreading out in an ever-expanding cloud. Dissolving salt in water is another example of increasing entropy; the salt begins as fixed crystals, and the water splits away the sodium and chlorine atoms in the salt into separate ions, moving freely with water molecules. A chunk of ice has low entropy because its molecules are frozen in place. Add heat energy and entropy increases. The ice turns to water, and its molecules agitate like popcorn in a popper.
The Two substance that has low entropy are diamond and graphite while the other two chemical/substance that has high entropy are Noble gases(helium, neon, etc) and oxygen.
Generally, entropy measures the disorder or randomness in a system. High entropy implies randomness or high disorder while low entropy indicates orderliness. High entropy system, more energy is lost to the environment/surroundings.
Examples of chemicals or substances with high and low entropy are listed below
Low entropy
1. Diamond: This is a carbon crystalline substance. The makeup follows a well-structured pattern. The particles are tightly packed thereby giving them a low entropy value. This means they are well ordered.
2. Graphite: This is another carbon substance but they have higher entropy than diamond but generally possess a low entropy.
High entropy
Generally, gaseous substances possess high entropy, and this includes
1. Nobles gases(helium, argon, Neon, etc); These gases when placed in a closed system they exhibit high entropy. They act disorderly. They move randomly and tend to occupy every space available in the system.
2. Oxygen gas: This is another gaseous substance that exhibits disorderliness when placed in a closed system.
The arrangement of the particles and cohesive forces holding the individual particles of the substance together play a large role in determining its entropy.
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