Answer the following questions
w can you find out the likeness and difference between objects?
Eow are liquids and solids alike?
Sow are liquids and solids different
. What is the difference between liquids and molecules?
- What is a chemical change? How is it different from a physical change?
Give three examples of physical change and chemical change.
Answers
Answer:
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Explanation:
likeness MEANS SIMILARITY
EG: YOU ARE LIKE ME
THAT IS WHAT LIKENESS MEAN
Sold, liquid, and gas all have volume and shape. They are all made up of atoms, molecules, or ions. ... Liquids and gases flow easily because their particles can move or slide past one another. Liquids and solids are not easily compressible; meaning they have little space between the particles.
THIS WAS YOUR 2ND ANS
Three states of matter exist – solid, liquid, and gas. Solids have a definite shape and volume. Liquids have a definite volume, but take the shape of the container.
THIS WAS YOUR THIRD ANSWER
Unlike the molecules in gases, however, the arrangement of the molecules in a liquid is not completely random. Compressibility: Liquids have so little empty space between their component molecules that they cannot be readily compressed.
THIS WAS YOUR FOURTH ANSWER
Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions
THIS WAS YOUR FIFTH ANSWER
NOW THE LAST ONE
Examples of chemical changes are burning, cooking, rusting, and rotting. Examples of physical changes are boiling, melting, freezing, and shredding. Often, physical changes can be undone, if energy is input. The only way to reverse a chemical change is via another chemical reaction.