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Alona [7]
3 years ago
8

Identify the name for the following compound: Al2O3

Chemistry
1 answer:
Vera_Pavlovna [14]3 years ago
7 0

Answer:

Aluminium oxide (Al2O3)

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A solution has a pH of 2.5. what is the H+
romanna [79]

<u>Answer: </u>The concentration of H^+ in the solution is 3.16\times 10^{-3}M

<u>Explanation:</u>

pH is defined as the negative logarithm of hydrogen ion concentration present in the solution.

pH=-\log [H^+]      .....(1)

We are given:

pH of solution = 2.5

Putting values in equation 1, we get:

2.5=-\log [H^+]

[H^+]=10^{-2.5}

[H^+]=3.16\times 10^{-3}M

Hence, the concentration of H^+ in the solution is 3.16\times 10^{-3}M

4 0
3 years ago
Identify all of the physical changes that take place during the making of the omelet.
8_murik_8 [283]
Cutting pepper
cutting onion
folding eggs over
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7 0
3 years ago
Write a structural formula for each of the following: (a) 3-Methylcyclobutene (b) 1-Methylcyclopentene (c) 2,3-Dimethyl-2-penten
Lemur [1.5K]

Answer:

Attached below

Explanation:

(a) 3-Methylcyclobutene

(b) 1-Methylcyclopentene

(c) 2,3-Dimethyl-2-pentene

(d) (Z)-3-Hexene  

(e) (E)-2-Pentene

(f) 3,3,3-Tribromopropene

(g) (Z,4R)-4-Methyl-2-hexene

(h) (E,4S )-4-Chloro-2-pentene

(i) (Z)-1-Cyclopropyl-1-pentene

(j) 5-Cyclobutyl-1-pentene

(k) (R)-4-Chloro-2-pentyne

(l) (E)-4-Methylhex-4-en-1-yne

The structural formula of a compound ( chemical ) is the representation of the molecular structure of the compounds ( i.e. it shows how the atoms in the compound is arranged, also the chemical bonding within the molecules are represented as well.

8 0
3 years ago
True or false: Alkali Metals tend to bond with themselves
kondaur [170]
False. They may bond with Alkaline Earth metals
8 0
4 years ago
HelpHelpHelpHelpHelpHelp
user100 [1]

Answer:

d

Explanation:

6 0
3 years ago
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