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VARVARA [1.3K]
4 years ago
10

2. (01.03 MC)

Chemistry
1 answer:
Afina-wow [57]4 years ago
3 0

Answer:

stored chemical energy is converted into mechanical energy.

Explanation:

the chemical reactions happens in the battery turn into electricity that makes the toy rolls across the floor.

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Can anyone please help me!! What is d. Beat the eggs?? A physical or a chemical change?
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Answer:

physical change

Explanation:

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What kind of reaction does Iron (III) and copper (II) sulfate solution produce?
ivanzaharov [21]

Answer:

The answer to your question is Single replacement

Explanation:

Types of reaction in Chemistry

Synthesis           two or more reactants combine to produce one single product

Decomposition      one reactant splits producing two or more products

Single replacement  One element replaces a similar one in a compound.

Double replacement Two compounds interchange their cations and anions.

Combustion one compound reacts with oxygen to produce carbon dioxide and water.

Reaction given

                      Fe⁺²  +  CuSO₄  ⇒   Cu + FeSO₄

This is a single replacement reaction

4 0
3 years ago
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