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vivado [14]
3 years ago
14

Which physical change is endothermic

Chemistry
1 answer:
Gala2k [10]3 years ago
7 0

Answer:The physical changes that are endothermic are melting, vaporization and sublimation.

Explanation:

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Standard notation for 31,254,000
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Answer:

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Explanation:

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Chemical equation:

C₂H₄ + 3O₂   →  2CO₂ + 2H₂O

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Chemical equation:

Fe₂O₃ + 6HCl   →  2FeCl₃ + 3H₂O

The given reaction is double replacement reaction. In which anion and cation of both reactants exchange with each others.

Chemical equation:

2Al + 2Br₂ →  2AlBr₃

The given reaction is combination reaction in which aluminium and bromine combine to form aluminium bromide.

Chemical equation:

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The given reaction is decomposition reaction in which glucose molecule decompose to give water and carbon.

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Answer:

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