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Vlad1618 [11]
3 years ago
15

Look around and write down two or three examples of matter and energy that you observe.

Chemistry
1 answer:
Citrus2011 [14]3 years ago
5 0
Everything is made of matter, so anything you see will do for the matter portion. If you have a water bottle sitting on a desk, that has potential energy, and if you have a dog thats running and such, it has kinetic energy. I hope this helps!
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Explanation:

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Phenolphthalein can be represented by the following formula

HPh  which ionizes in water as follows

       HPh        + H₂O      ⇄    H₃O⁺      +        Ph⁻

( colourless  )                    ( pink  )

In acidic solution it is in the form of protonated Hph form which is colourless

In basic medium , it ionises to give H₃O⁺ and unprotonated  Ph⁻ whose colour is pink .

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A heater warming a room

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