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s2008m [1.1K]
2 years ago
8

Whats the different between chemical property and chemical change, and physical property and physical change?

Chemistry
1 answer:
storchak [24]2 years ago
6 0

Answer:

I think the answer is A physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance. Physical properties include color, density, hardness, and melting and boiling points. A chemical property describes the ability of a substance to undergo a specific chemical change.

Explanation:

I hope this helps.

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Explanation:

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Please Help! Check the following problem for errors. If you find an error, identify it, tell why it is an error and correct the
Wewaii [24]
The question says only to convert the Zn(OH)₂ into moles. But the given answer has many errors such as formula, mass and moles.

<span>The corrected answer is as follows.

</span>Moles (mol) = mass (g) / molar mass (g/mol)
<span>
</span>
<span>Mass of Zn(OH)₂</span><span> = 0.45 g
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</span>Hence, moles of Zn(OH)₂ = 0.45 g / 99.424 g/mol
<span>                                         = 4.526 x 10⁻³ mol


</span>
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Acetate and hydrogen gas (H2) is never abundant in aerobic soils and sediments because they are tiny, highly reduced molecules that many bacteria that breathe oxygen and nitrates quickly absorb to use as fuel for energy generation. 

<h3>Why are acetate and hydrogen gas not abundant in aerobic soils and sediments?</h3>

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Learn more about archaea here:

brainly.com/question/3654264

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