starburst2005
08.05.2021 •
Chemistry
The table shows the chemical formulas for four substances. Substance Chemical Formula 1 C2H60 CH 2. "8" 18 ليبيا CH,CH_Br C.H.. 4. Which substances have the same number of carbon atoms? A Substances 1 and 2 B Substances 2, 3, and 4 C Substances 2 and 3 only D Substances 1 and 3
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Ответ:
b. Their atoms are already packed closely together
Explanation:
Solid state : It is a state in which the particles are closely packed and they can not be compressed.The particles do not have any space between them. They have least kinetic energy due to restricted movement. This state has a definite shape and volume.
Liquid state: It is a state in which the particles are present in random and irregular pattern. The particles are closely arranged and thus can not be compressed but they can move from one place to another and thus have higher kinetic energy as compared to solids. This state has a definite volume but does not have a fixed shape.
Gaseous state : It is a state in which the particles are loosely arranged and have a lot of space between them. They can be easily compressed. They have highest kinetic energy. This state has indefinite volume as well as shape.