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Brilliant_brown [7]
3 years ago
7

Can somebody please give me an answer for this question that doesn't consist of building or construction?

Chemistry
1 answer:
zavuch27 [327]3 years ago
4 0

Answer:

to build a house you need land and people

Explanation:

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Chemistry water properties..?
nadya68 [22]

Answer:

Water can inmolecular hydrogen bonds

6 0
3 years ago
Please help... awarding 20 points and brainiest if correct.
kiruha [24]

Answer:

CH4

- 4 electron

- 0 electron

- the geometry of Ch4 is tetrahedral

AlF3

- 3 electron

- 0 electron

- the geometry is trigonal planar

CCl4

- 4 electron

- 0 electron

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SeH2

- 2 electron

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5 0
3 years ago
Give the structure of the product obtained when cyclopropene loses a proton. Will the product be aromatic or not?
astra-53 [7]

Answer:

not aromatic

Explanation:

Cyclopropene -

as the compound is is made to lose a proton , and gains a negative charge on its ring ,

Now, The ring can become aromatic or anti - aromatic depending on the number of π electrobns ,

According to Huckel 's rule ,

The cyclic compounds with ( 4n+2 ) π electrons , where , n = 0, 1, 2, 3 ... , are considered to be aromatic in nature ,

And the cyclic compounds with ( 4n ) π electrons , where , n = 1, 2, 3 ... , are considered to be anti - aromatic in nature.

Now, for the cyclopropene structure , the number of π electron are equal to 4 , 2 from the double bond and 2 from the negative charge .

Therefore , the compound becomes not aromatic or anti - aromatic .

3 0
3 years ago
Which of these chemical formulas represents both an element and a molecule?
inna [77]
O2.

Because it is only made up of one type of element it is an element. Howevern there is more than one oxygen atom because oxygen cannot exist as a single atom, therefore making it a molecule as well.
8 0
3 years ago
Read 2 more answers
In an oxidation-reduction reaction, 0.0450 mol of aqueous FeSO4 (source of Fe2+) reacts completely with 120.0 mL of an acidified
igor_vitrenko [27]

Answer:

0.075 M

Explanation:

5Fe²⁺(aq) + MnO₄⁻(aq) + 8H⁺(aq) → 5Fe³⁺(aq) + Mn²⁺(aq) + 4H₂O(ℓ)

Using the moles of Fe²⁺ that reacted, we can <em>calculate the reacting moles of MnO₄⁻</em>:

0.0450 mol Fe⁺² * \frac{1molMnO_{4}^{-}}{5molFe^{+2}} = 0.0090 mol MnO₄⁻

Now we divide the moles of MnO₄⁻ by the volume in order to <u>calculate the molarity of the solution</u>, keeping in mind that 120.0 mL = 0.120 L.

0.0090 mol MnO₄⁻ / 0.120 L = 0.075 M

7 0
4 years ago
Read 2 more answers
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