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Ivahew [28]
3 years ago
5

Which is the best way to determine if an object is made of pure gold?

Chemistry
1 answer:
netineya [11]3 years ago
3 0

Answer:

Acid?

Explanation:

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The ionization energy of chlorine is lower than the ionization energy for
photoshop1234 [79]

Answer: Fluorine.

Explanation:

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How do the interactions that are broken in water when it is boiled compare with those broken when water is electrolyzed? Boiling
nasty-shy [4]

Answer:

Boiling water breaks intermolecular attractions and electrolysis breaks covalent bonds.

Explanation:

When water boils, hydrogen bonds are broken between adjacent water molecules. The hydrogen bond is an intermolecular bond between adjacent oxygen and hydrogen atoms of water molecules.  

During electrolysis, water dissociates in the presence of electric current. Here, ions are formed in the process. Therefore, covalent bonds are broken here.

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Given the balanced equation representing a reaction occurring in an electrolytic cell:
Vikki [24]
The answer is (4) at the cathode, where reduction occurs. The Na+ gains one electron and become Na(l). So the reaction occurs at cathode and is reduction reaction.
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3 years ago
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A sample of an ideal gas has a volume of 2.21 L at 282 K and 1.03 atm. Calculate the pressure when the volume is 1.84 L
PIT_PIT [208]

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Explanation:

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3 0
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The chemical equation below shows the burning of magnesium (Mg) with oxygen (O2) to form magnesium oxide
scoundrel [369]

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64

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B

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