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DIA [1.3K]
4 years ago
6

How does the bleaching process remove stains from fabric? A. The OCL- ions oxidize the stain B. The fabric oxidizes the NaOCl C.

The fabric reduces the NaO D. The NaOCL reduces the stain
Chemistry
2 answers:
MrRa [10]4 years ago
8 0

Answer:

The correct answer is option A.

Explanation:

Sodium hypochlorite is a strong oxidizing agent composed of 1 sodium , 1 oxygen  and 1 chlorine atom.It bleaching action can be explained as due to release of nascent oxygen which oxidizes the stain and results in removal of stain from the fabrics.

NaOCl+H_2O \rightarrow NaOH+HOCl

2OCl^-\rightarrow Cl_2+2[O]

So, we can say that hypochlorite ion oxidizes the stain on fabric.

MaRussiya [10]4 years ago
4 0
The answer is A. The Hypochlorate ions oxidize the chromophores, which cause color, in the stain.
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A major textile dye manufacturer developed new yellow dye. The dye has a percent composition of 75.9 5% C, 17.72% N
AnnZ [28]

Answer:

Such molecule must have molecular formula of C15N3H15

Explanation:

Mass of carbon in such molecule

0.7595*240_{g/mol} =182.28_{g C/mol}

The atomic mass of carbon is 12.01 g/mol, so in 182.28 g of carbon there is 15.18 mols of carbon.

Mass of Nitrogen in such molecule

0.1772*240_{g/mol} =37.73_{g C/mol}

The atomic mass of nitrogen is 14.01 g/mol, so in 42.53g of nitrogen there is 3.04 mols of nitrogen.

Mass of Hydrogen in such molecule

0.0633*240_{g/mol} =15.19 {g C/mol}

The atomic mass of Hydrogen is 1.00 g/mol, so in 15.19 g of Hydrogen there is 15.19 mols of Hydrogen.

Such molecule must have molecular formula of C15N3H15

5 0
3 years ago
Which part of a nuclear power plant spins to produce mechanical energy?
OLga [1]
The turbine since the definition of this word is <span> a machine for producing continuous power in which a wheel or rotor, typically fitted with vanes, is made to revolve by a fast-moving flow of water, steam, gas, air, or other fluid. </span>
7 0
3 years ago
Fruit sugar is known as _____.<br><br><br> fructose<br><br> sucrose<br><br> lactose<br><br> maltose
zvonat [6]

Answer:

The answer to this question is Fructose

3 0
3 years ago
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Write electron configurations for the following ion: Cd2 Cd2 . Express your answer in order of increasing orbital energy. For ex
Mashutka [201]

Answer:

Cd2+ : 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d10 or [Kr] 4d¹⁰

Explanation:

Before proceeding to write out the electron configuration of Cd2+, we have to obtain the electron configuration of Cadmium (Cd),

Cadmium has an atomic number of 48, this means that a neutral cadmium atom will have a total of  48  electrons surrounding its nucleus.

The electronic configuration of Cadmium is;

Cd: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10

The shorthand notation is given as;

Cd: [Kr] 4d¹⁰5s²

Cd2+ means that it has two less electrons, hence it's electron configuration is given as;

Cd2+ : 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d10 or [Kr] 4d¹⁰

5 0
3 years ago
In these solutions, identify the solute and the solvent. Sea water, a solution composed of a variety of salts dissolved in water
Yanka [14]

Answer:

The solvent is Nitrogen and the solute is oxygen

Explanation:

Normally the solvent always contains higher amount of substance than the solute in a particular solution

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