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slega [8]
3 years ago
7

What is the definition of energy?​

Chemistry
1 answer:
Irina18 [472]3 years ago
7 0

Answer:

Explanation:

the strength and vitality required for sustained physical or mental activity.

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When a magnesium ribbon is heated in air the product former is heavier.on the other hand when potassium manganate(VII) is heated
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Answer: On heating, Magnesium forms its oxide; while potassium manganate(VII) decomposes

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The difference in observation is that, on heating, Magnesium forms its OXIDE as product; while potassium manganate(VII) decomposes, giving OFF most of its constituents and reducing its weight.

4 0
3 years ago
Describe two situations that reduce the dissolved oxygen content of water?
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Hi sweetie, hope this helps!

The more salt that is dissolved in the water, the less oxygen will be dissolved in it.

The higher the temperature of the water, the less oxygen will be dissolved it in.


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