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Marina CMI [18]
4 years ago
15

Which best describes the oxidizing agent in this reaction? Cl2(aq) + 2Br(aq) 2Cl(aq) + Br2(aq) Bromine (Br) is the oxidizing age

nt because it gains an electron. Bromine (Br) is the oxidizing agent because it loses an electron. Chlorine (Cl) is the oxidizing agent because it gains an electron. Chlorine (Cl) is the oxidizing agent because it loses an electron
Chemistry
1 answer:
steposvetlana [31]4 years ago
6 0
Answer:
            <span>Chlorine (Cl) is the oxidizing agent because it gains an electron.

Explanation:
                   Reaction is as follow,

</span><span>                     Cl</span>₂<span> (aq)  +  2 Br</span>⁻<span> (aq)    </span>→   <span> 2Cl(aq)  +  Br</span>₂ <span>(aq)

Oxidation Reaction:

                                    2 Br</span>⁻     →     Br₂  +  2 e⁻

Two atoms of Br⁻ (Bromide) looses two electrons to form Br₂ molecule. Hence it is oxidized and is acting as reducing agent.

Reduction Reaction:

                                   Cl₂  +  2 e⁻    →     2 Cl⁻

One molecule of Cl₂ gains two electrons to form two chloride ions (Cl⁻). Therefore, it is reduced and has oxidized Br⁻, Hence, acting as a oxidizing agent.
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Graphite from a pencil and a diamond ring are made of the same material. Explain how this is possible. Include a detailed descri
jekas [21]

Answer:

Explanation:

Both diamond and graphite are made entirely out of carbon.In a diamond, the carbon atoms are arranged tetrahedrally. Each carbon atom is attached to four other carbon with a C-C-C bond angle of 109.5 degrees. It is a strong, rigid three-dimensional structure that results in an infinite network of atoms. This accounts for diamond's hardness, extraordinary strength and durability and gives diamond a higher density than graphite. Because of its tetrahedral structure, diamond also shows a great resistance to compression. Diamond will scratch all other materials and is the hardest material known. It is the best conductor of heat that we know, conducting up to five times the amount that copper does. Diamond also conducts sound, but not electricity; it is an insulator, and its electrical resistance, optical transmissivity and chemical inertness are correspondingly remarkable.

The carbon atoms in graphite are also arranged in an infinite array, but they are layered. These atoms have two types of interactions with one another. In the first, each carbon atom is bonded to three other carbon atoms and arranged at the corners of a network of regular hexagons with a 120-degree C-C-C bond angle. These planar arrangements extend in two dimensions to form a horizontal, hexagonal "chicken-wire" array. In addition, these planar arrays are held together by weaker forces. The distance between two layers is longer than the distance between carbon atoms within each layer. This three-dimensional structure accounts for the physical properties of graphite. Unlike diamond, graphite can be used as a lubricant or in pencils because the layers cleave readily. It is soft and slippery, and its hardness is less than diamond . Graphite also has a lower density (2.266 grams per cubic centimeter) than diamond. The planar structure of graphite allows electrons to move easily within the planes. This permits graphite to conduct electricity and heat as well as absorb light and, unlike diamond, appear black in color.

8 0
3 years ago
In a reaction, 5.3g of Sodium Carbonate reacted with 6g of ethanoic acid. The products were 2.2g of CO2, 0.9g of water and 8.2g
V125BC [204]

SOLUTION :

Law of conservation of Mass States that "Mass is neither created, nor destroyed".

→ Like Mass of Reactants = Mass of products.

REACTANTS :

  • Mass of Sodium Carbonate(given) = 5.3g

  • Mass of ethanoic acid(given)= 6g

The total mass of reactants:

= 5.3 + 6

= 11.3g

<h3>•Products are :</h3>

  • Mass of Carbon Dioxide = 2.2g

  • Mass of Water = 0.9g

  • Mass of Sodium ethanoate = 8.2g

The total mass of products is :

= 2.2 + 0.9 + 8.2

= 3.1 + 8.2

= 11.3g

Hence the, Mass of Reactants = Mass of products

∴ The given reaction is in agreement with the law of conservation.

▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬

7 0
3 years ago
Which of the following are needed to calculate the percent yield? Select all that apply. Question 10 options: Theoretical yield
Ivahew [28]

Both theoretical and actual yields would be needed to calculate percent yield.

The percent yield of a reaction is defined as the ratio of the actual yield to that of the theoretical yield. It can be mathematically expressed as:

percent yield = actual yield/theoretical yield x 100%

The actual yield is the amount of a specific product produced from a reaction while the theoretical yield is the stoichiometric amount of the same product.

More on percent yield can be found here: brainly.com/question/2506978?referrer=searchResults

6 0
2 years ago
Which statement best describes how to predict the formula of a stable ionic compound?
jeyben [28]

Answer:

C ; Use enough cations and anions so that the total charge is zero

in a stable ionic compound, in order for you to get the formula, you need the positive and negative ions on one side to cancel out the compound, it becomes neutral, by being 0.

i hope that made sense :/

6 0
3 years ago
Which equation represents the reduction half-reaction for this redox equation? Ca + Al(NO3)3 Al + Ca(NO3)2
liraira [26]
The correct answer is C. :)
6 0
3 years ago
Read 2 more answers
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