a chemical reaction causes breakage and bonding of the atoms and molecules in any substance that consists of matter.
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This change in the state of matter (liquid to solid) is called freezing, not melting; it is a physical change, the chemical nature of the molecules is not changed.
respiration and microbial degradation of organic matter
The Type of substance of a molecule would be an element.
a chemical reaction causes breakage and bonding of the atoms and molecules in any substance that consists of matter.
This change in the state of matter (liquid to solid) is called freezing.This change in the state of matter (solid to liquid) is called melting.They are physical change, the chemical nature of the molecules is not changed.
When heating a substance the substance's molecules gain kinetic energy, this leads to chemical bonds being broken and thus a change of state.
This change in the state of matter (liquid to solid) is called freezing; it is a physical change, the chemical nature of the molecules is not changed.
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changes in states of matter are physical changes, as they do not affect the chemical properties of the substance
a physical is a change to a substance
respiration and microbial degradation of organic matter
When a substance changes from one state of matter to another it is called changing its state. Temperature changes are usually the main cause of this change.
It changes the vibrations of the molecules.
Temperature is the chief factor in the expanding of molecules in a substance. Temperature creates randomness in a substance, because it increases each molecules energy.
This change in the state of matter (liquid to solid) is called freezing, not melting; it is a physical change, the chemical nature of the molecules is not changed.