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wlad13 [49]
3 years ago
10

2

Chemistry
1 answer:
Katyanochek1 [597]3 years ago
4 0
C because a compound is a substance made of at least two atoms bonded together
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3CuCl2 + 2Al => 3Cu + 2AlCl3
Marrrta [24]

The reaction includes the single replacement reaction and redox

<h3>Further explanation</h3>

Single replacement : one element replaces another element in a compound

A + BC ⇒ AC + B

The oxidation-reduction reaction or abbreviated as Redox is a chemical reaction in which there is a change in oxidation number

3CuCl + 2Al => 3Cu + 2AlCl₃

  • 1. Single replacement

Al replacing Cu in the CuCl compound

  • 2. Redox reaction

3Cu²⁺ + 6e⁻⇒ 3Cu reduction(oxidation number from +2 to 0)

2Al⇒2Al³⁺+6e⁻ oxidation(oxidation number from 0 to +3)

8 0
3 years ago
The solid anhydrous solid CoCl2 is blue in color. Because it readily absorbs water from the air, it is used as a humidity indica
MrRissso [65]

Answer:

CoCl_{2}.(H_{2}O)_{6} is formed and it has three unpaired electrons.

Explanation:

Blue CoCl_{2} reacts with water to produce pink colored CoCl_{2}.(H_{2}O)_{6} complex.

In this complex, Co^{2+} ion forms an octahedral complex with six H_{2}O ligands.

As H_{2}O is a weak field ligand therefore Co^{2+} ion remains in low spin state.

Hence electronic configuration of Co^{2+} ion in this octahedral geometry is t_{2g}^{5}e_{g}^{2} with total three unpaired electrons.

6 0
3 years ago
What are mixtures that have evenly mixed groups of particles that do not settle out called?
Kipish [7]
This is called a Solution
6 0
3 years ago
Substances that are likely to disassociate in water
mr_godi [17]

Answer:

sugar,dirt,spit

Explanation:

5 0
3 years ago
254950m to millimeter
Arte-miy333 [17]
254950000 millimeters
7 0
3 years ago
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