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docker41 [41]
3 years ago
11

16. The poisonous gases were not __ in the air

Chemistry
2 answers:
deff fn [24]3 years ago
5 0
  • The poisonous gases were not <u>visible</u><u> </u>in the air.

Svet_ta [14]3 years ago
5 0

Answer:

able to evaporate

Explanation:

gas is evaporated liquid...... the process cannot take place again

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Element in 6th Period and on the 4th Energy Level
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2 HClO(aq) + Ca(OH)2(aq) = 2 H2O(l) + Ca(ClO)2(aq) is the balanced equation

4 0
3 years ago
Zn + 2 HCl ZnCl2 + H2
son4ous [18]

Answer:

0.153 moles of hydrogen.

B) Multiply 10 grams of Zn x (1 mol Zn/65.39 g)

Explanation:

Given data:

Mass of zinc = 10 g

Moles of hydrogen = ?

Solution:

Chemical equation:

Zn + 2HCl  →  ZnCl₂ +  H₂

Number of moles of zinc:

Number of moles of zinc = mass/ molar mass

Number of moles of zinc = 10 g/ 65.4 g/mol

Number of moles of zinc = 0.153 mol

Now we will multiply the moles of Zn with hydrogen:

                     Zn            :            H₂

                      1              :              1

                     0.153       :            0.153

4 0
3 years ago
An SN2 reaction is a type of ________in which the nucleophile attacks the electrophile _______a leaving group leaves.
mars1129 [50]

Answer:

Nucleophilic reaction

and

Explanation:

A nucleophilic reaction is a type of reaction that involves attack of a specie having a negative charge or a lone pair of electrons on a positive center. This negatively charged specie or specie having a lone pair of electrons is called a nucleophile.

An SN2 reaction is a bimolecular, concerted nucleophilic reaction that leads to inversion of configuration at the carbon center. The leaving group is the group that departs from the frontside of the molecule as the nucleophile attacks from the backside.

6 0
2 years ago
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