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2 years ago

What is oxidized in the reaction below? H2 + Cl2 → 2HCl

Chemistry

1 answer:

natima [27]2 years ago

3 0

Answer: Cl2 is acting as an oxidizing agent.

Explanation:

Hydrogen reacts with Chlorine to produce Hydrochloric Acid.

H2 + Cl2 ---> 2 HCl

Oxidation Reaction: Hydrogen's oxidation state in H2 is changing from 0 in H2 to +1 in HCl per atom. That means that it has lost one electron per atom and two electrons per molecule. Therefore, hydrogen is oxidized and has acted as a reducing agent.

H2 ---> 2 HCl + e-

Reduction Reaction: Chlorine's oxidation state in Cl2 is changing from 0 in Cl2 to -1 in HCl per atom. This means that it loses one electron per atom and two electrons per two atoms. Therefore, Chlorine is reduced and has acted as an oxidizing agent.

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yulyashka [42]

Answer: The standard state refers to 1 atm and $25^{o}C$ .

Explanation:

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3 years ago

Zinc oxide adopts a face-centered cubic arrangement. Both Zinc ions and oxide ions adopt the face-centered cubic arrangement; wi

vichka [17]

Answer:

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Explanation:

We were told right from the question that both the Zinc ions and the Zinc oxide adopts a face-centered cubic arrangement.

Then, the number of ZnO molecule in one unit cell = 4

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∴

The mass of one unit cell of zinc oxide can be calculated as:

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3 years ago

What mass of Hg will occupy a volume of 75.0 mL?

k0ka [10]

75.0 mL in liters:

75.0 / 1000 => 0.075 L

1 mole -------------------- 22.4 L ( at STP)
( moles Hg) ------------- 0.075 L

moles Hg = 0.075 x 1 / 22.4

moles = 0.075 / 22.4

= 0.00334 moles of Hg

Hg => 200.59 u

1 mole Hg ----------------- 200.59 g
<span>0.00334 moles Hg ----- ( mass Hg )
</span>
mass Hg = 200.59 x 0.00334 / 1

mass Hg = 0.6699 / 1

= 0.6699 g of Hg

7 0

3 years ago