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Helen [10]
2 years ago
10

4 Identify Give an example of a physical change and an example of a chemical change.

Chemistry
1 answer:
AysviL [449]2 years ago
8 0

Answer:

Answer below

Explanation:

Physical changes dont change the chemical makeup of an object. An example would be to tear a piece of paper. Tearing the paper doesnt change how the paper was made chemically

Chemical changes on the other hand do change the chemical makeup of an object. An example of a chemical change would be to bake a cake. The reason being that the chemical makeup of the cake batter is changed so that the actual cake is formed.

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A generator produces electricity and an electric motor consumes electricity

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3 years ago
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Answer: The pressure of the He is 2.97 atm

Explanation:

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p_{total}=p_{N_2}+p_{O_2}+p_{He}.

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