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Sergio [31]
2 years ago
9

Which is most complicated to separate?​

Chemistry
1 answer:
Sergio [31]2 years ago
7 0

Answer: Atoms are the hardest substance to separate

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3 years ago
The following statements all describe changes in matter. Some of these changes are physical, and some are chemical. Select the s
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The change of the statue of liberty from copper to green is an example of a chemical change.

<h3>Physical and chemical change</h3>

A physical change does not involve the formation of new substances and the composition of the substance does not change. However, in a chemical change, a new substance is formed and the composition of the substance changes.

The statement that reflect a chemical change is;

  • The Statue of Liberty’s metal tarnishes from copper to green.

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2 years ago
What particle is J.J Thomson credited with discovering
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He was credited with discovering the subatomic particle also known as the electron in 1897.
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Given the reaction that occurs in an electrochemical cell:
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Answer:

c) +2 to 0

Explanation:

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Cu(s) is a solid metal and they have no charge, therefore it is zero

Copper undergoes Oxidation (gain of electrons)

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3 years ago
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Water is dripping into a bucket at a rate of 51 drops per minute. if each drop has a volume of 0.050 milliliters, what volume of
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112.2 milliliters volume of water will drip into the bucket in 44 minutes.

<h3>What is volume?</h3>

How much space an object or substance takes up. • Measured in cubic meters (m3), liters (L) & milliliters (mL).

Total drop = Drops per minute X time

= 51 drops per minute X 44 minutes

=2244 drop

Volume of water will drip into the bucket in 44 minutes

=Total drop X Volume of each drop

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=112.2 milliliters

Hence, 112.2 milliliters volume of water will drip into the bucket in 44 minutes.

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