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wel
2 years ago
12

Can someone answer this chemistry question​

Chemistry
1 answer:
Natalka [10]2 years ago
5 0

Explanation:

this is because of the electrolysis and the hydrogen and oxygen the experiments and all that the conditions are all right you know that song

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Which of the following sets are isoelectronic (i.e., have the same number of electrons)? i. Br-, Kr, Sr2+ ii. C, N-, O2- iii. Mg
il63 [147K]

Answer:

ii. C,\ N^-,\ O^{2-}

Explanation:

Isoelectric species are the species which have same number of electrons.

From the given options:-

C,\ N^-,\ O^{2-} are the isoelectric species.

All the three species have same number of electrons which is equal to 6.

Carbon has 6 electrons.

N^- has 6 electrons.

O^{2-} has 6 electrons.

8 0
3 years ago
Bromo-4-fluorohexane has two chiral carbon atoms; therefore, the maximum number of possible stereoisomers that can be formed is
Zepler [3.9K]

Here we have to draw the four isomers of the compound 3-bromo-4-fluorohexane.

The four isomers of the compound is shown in the figure.      

In an organic molecule the chiral -C center is that where four (4) different groups are present. In 3-bromo-4-fluorohexane the 3 and 4 positions are chiral centers. The possible isomers of a molecule can be obtained from the formula 2n. As here 2 chiral centers are present thus number of stereoisomers will be 2×2 = 4.

The four different isomers as shown in the figure are 3R-, 4R-; 3S-, 4S; 3R, 4S and 3S-, 4R- 3-bromo-4-fluorohexane.

In the 3-bromo-4-fluorohexane the functional groups are -Br, C₂H₅, -C₃H₆F and -H for 3-position and -F, -C₂H₅, -C₃H₆ and -H for 4-position respectively.

The priority of the -3 position will be Br > C₃H₆F > C₂H₅ > H and for -4 position F > C₃H₆Br > C₂H₅ > H. If the rotation from the higher priority group to lower is clockwise and anticlockwise then the S- and R- notation are used respectively. However if the -H atom is present at the horizontal position then the notation will be reverse.

Thus the four isomers of the compound is shown.      

4 0
3 years ago
How many moles are in a mass of 800.0 g of magnesium?
qaws [65]

Answer:

32.92 moles of Mg

Explanation:

To convert grams to moles (Or vice versa) of any chemical compound we need to use the molar mass of the substance (That is, how many grams weighs 1 mole of the chemical).

The magnesium, Mg, has a molar mass of 24.305g/mol. That means in 800.0g of Mg you have:

800.0g * (1mol / 24.305g) =

<h3>32.92 moles of Mg</h3>
7 0
2 years ago
Draw the organic product of the following nucleophilic substitution reaction. Include all hydrogens atoms.
Sunny_sXe [5.5K]
<span>Answer: CH3-CH2-0-CH2-CH3 that is diethyl ether mechanism is SN2</span>
8 0
3 years ago
Im in the middle of a chem test and i literally have no clue what is happening
denis23 [38]

Answer:

No question so I'm just taking the points

5 0
2 years ago
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