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olga2289 [7]
2 years ago
12

Can someone explain the answer.

Chemistry
1 answer:
mojhsa [17]2 years ago
6 0

Answer:

A

Explanation:

Alkanes undergo substitution reaction with halogen molecules in the presence of light. This reaction occurs by free radical mechanism and the initiation step is the formation of the halogen radical.

The propagation steps involves the abstraction of a hydrogen from the alkane by the halogen radicals.

The termination steps involves the coupling of alky radicals.

Thus for the reaction of ethane and chlorine;

C2H6 + Cl2 -------> C2H5Cl + HCl

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pH indicator. A dye that is an acid and that appears as different colors in its protonated and deprotonated forms can be used as
Vitek1552 [10]

Answer:

pH = 7.8

Explanation:

The Henderson-Hasselbalch equation may be used to solve the problem:

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During which process in the water cycle does water release thermal energy? Explain how you know.​
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Agreed with the person on top ^^^
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What is the oxidation number of chromium in the ionic compound ammonium dichromate (nh4)2cr2o7?
lesya692 [45]
The oxidation number of an element is the number of electrons that are gained or lost by the element to form a chemical bond. 
the net oxidation number of the ion is its charge.
compound (NH₄)₂Cr₂O₇ is made of cation - NH₄⁺ and anion - Cr₂O₇²⁻
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oxidation number of Cr = y
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2y = 12
y  = + 6
therefore oxidation number of Cr is +6 
4 0
3 years ago
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