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What are the two types of changes that chemists are primarily interested in?
Chemists are primarily interested in studying physical changes, which involve a change in appearance or state of matter without a change in composition, and chemical changes, which involve a change in the chemical composition of a substance.
What are two kind of changes in matter?
Two types of changes in matter are physical changes and chemical changes. Physical changes involve a change in appearance, such as a change in shape or state, without forming new substances. Chemical changes involve a rearrangement of atoms to form new substances with different chemical properties.
Can chemical change and physical change happen simultaneously?
No, chemical changes and physical changes are distinct processes that occur separately in a system. Chemical changes involve the formation of new substances with different chemical properties, while physical changes involve alterations in the state or appearance of a substance without changing its chemical composition. These processes do not typically occur simultaneously.
What are the differences between physical and chemical changes?
Physical changes involve a change in appearance or state of matter without altering the chemical composition, while chemical changes result in the formation of new substances with different chemical properties.
Is reacting a physical change or chemical change?
Reacting can involve both physical changes and chemical changes. Physical changes involve alterations in the physical state of a substance without changing its chemical composition, while chemical changes involve the formation of new substances with different chemical compositions.
Chemical changes can be reserved by physical change?
No, chemical changes cannot be reversed by physical changes. Chemical changes involve the formation of new substances with different properties, while physical changes only affect the state or appearance of a substance without changing its chemical composition. Once a chemical change occurs, it cannot be undone by a physical change.
Does not involve the movement of matter?
A physical change involves a change in appearance, shape, or form of a substance but does not involve a change in its chemical composition. Examples include changes in state (solid, liquid, gas), size, or shape.
Is Sand being washed out to sea from the beach is a chemical change?
no, its physical change :)
How are physical and chemical changes distinguished?
Physical changes involve a change in appearance or state of matter without altering the composition, like melting ice. Chemical changes, on the other hand, result in the formation of new substances with different properties, such as rusting of iron. The key difference is that chemical changes involve breaking and forming of chemical bonds.
Does physical change differ from a chemical in that waste products are formed through chemical changes?
Yes, physical changes involve a change in the appearance or form of a substance without forming new substances. Chemical changes, on the other hand, involve the formation of new substances through the rearrangement of atoms. Waste products may be formed in chemical changes as new substances are produced.
What is the difference between phyical and chemical changes?
A physical change only changes the appearance of an object, it's chemical makeup is still the same. Melting ice doesn't change it to a different object, just a different state. Like if you rip a piece of paper, it's still a piece of paper. But a chemical change changes the makeup of the object. Burning is a chemical change. Once it burns it is no longer paper.
Is a wart chemical change?
Warts development involve chemical changes.
