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Lubov Fominskaja [6]
3 years ago
5

A tree is fixed relative to Earth a tree is blank relative to the Sun

Physics
1 answer:
RUDIKE [14]3 years ago
8 0

moving,

the sun is a different "observer"

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If a substance is found to be reactive flammable soluble and explosive what observation is also a physical property
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Explanation:

Chemical properties only manifest when a chemical reaction occurs. Being reactive, flammable and explosive are chemical properties, because they involve chemical reactions: the substances are changed; the chemical bonds of some substances, called reactants, are broken, and the chemical bonds are created, forming other substances, called products.

Solubility is a<em> physical property</em> because during dissolution no new substances are formed. You can prove it when the solvent evaporates leaving behind the same original substance.

The the observation that the substance is <em>soluble</em> is describing a <em>physical property.</em>

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