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il63 [147K]
3 years ago
9

What evidence of a chemical reaction might you see in dropping an Alka-Seltzer tablet into a glass of water?

Chemistry
1 answer:
Arisa [49]3 years ago
4 0
Gas is released by addition of the tablet into water. It is possible to capture the gas emitted and test it - it will be carbon dioxide.

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mojhsa [17]

Answer:

Both objects are moving.

Explanation:

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Object 2 is also moving although it has a balance force; however, it is moving at a<em> "constant speed."</em> This is because the force of thrusting forward is being counteracted by a friction force of the <u>same magnitude.</u> Forces that are equal in magnitude and of opposing directions causing the speed to be constant. So, the bicycle is still moving.

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3 years ago
If a radioactive material has a 10 year half-life, how much of a 100 g sample will be left after 30 years?
olga_2 [115]
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3 years ago
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UNO [17]
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Hope that helps!!
7 0
3 years ago
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Sergeu [11.5K]

Answer:

movement of particles of object from one place to another

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spreading of perfume in air

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3 0
3 years ago
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