When a substance is entering a phase change, the gain or loss of heat is a result of:______.

1 answer:

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When a substance is entering a phase change, the gain or loss of heat is a result of energy gained or lost in forming or breaking intermolecular interaction.

The constant temperatures occur when a substance is undergoing a phase transition. If heat is removed from a substance , such as in freezing and condensation , then the process is exothermic . In this instance , heat is decreasing the speed of the molecules causing then move slower.

Example : liquid to solid and gas to liquid .

These changes release heat to the surrounding.

To learn more about phase change,

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What are the base units the SI units are based on? A-10 B-100 C-1,000 D-1

Olegator [25]

Answer:

A-10

Explanation:

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2 years ago

Can you please help me !!

ioda

Answer:

Explanation:

A) O2 (non polar covalent)

B) HF (polar covalent)

C) NaCl (because its ionic)

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