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Kisachek [45]
3 years ago
8

If 1.0g of each of the following gases is stored at STP, which one would occupy the greatest volume? CH4, CO, H2O, NO, or will t

hey occupy the same volume? Provide a justification for your choice.
Chemistry
1 answer:
BabaBlast [244]3 years ago
4 0

Answer:

It might be said

The answer is B.

Explanation:

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Zinc oxide adopts a face-centered cubic arrangement. Both Zinc ions and oxide ions adopt the face-centered cubic arrangement; wi
vichka [17]

Answer:

5.41 ×10⁻²²

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

The standard molar mass of ZnO = 81.38g

Avogadro's constant = 6.023 × 10²³ mole

∴

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

= \frac{4*81.38}{6.023*10^{23}}

= 5.40461564×10⁻²²

≅ 5.41 ×10⁻²²

∴ The mass of one unit cell of zinc oxide = 5.41 ×10⁻²²

3 0
2 years ago
A 49.48-mL sample of an ammonia solution is analyzed by titration with HCl. It took 38.73 mL of 0.0952 M HCl to titrate the ammo
Kryger [21]

Answer:

M₂ = 0.0745 M

Explanation:

In case of titration , the following formula can be used -

M₁V₁ = M₂V₂

where ,

M₁ = concentration of acid ,

V₁ = volume of acid ,

M₂ = concentration of base,

V₂ = volume of base .

from , the question ,

M₁ = 0.0952 M

V₁ = 38.73 mL

M₂ = ?

V₂ = 49.48 mL

Using the above formula , the molarity of ammonia , can be calculated as ,

M₁V₁ = M₂V₂  

0.0952 M * 38.73 mL = M₂* 49.48 mL

M₂ = 0.0745 M

8 0
3 years ago
Which set of elements has 4 valence electrons?
pickupchik [31]

Answer:

carbon group

All the carbon group atoms, having four valence electrons, form covalent bonds with nonmetal atoms; carbon and silicon cannot lose or gain electrons to form free ions, whereas germanium, tin, and lead do form metallic ions but only with two positive charges.

4 0
3 years ago
How is a nonrenewable source different from a renewable one
Lady bird [3.3K]

A Nonrewnewable source is hard to get back from its source, while a renewable source is easy to get back from its source.

Example:

       Nonrenewable: crude oil, oil, coal, fossil fuels, etc.

        Renewable: sunlight, wind, biomass, rain, tides, waves and geothermal heat, etc.

5 0
3 years ago
How many grams are there in 3.3 x 1023 molecules of N2I6?
FromTheMoon [43]

Answer:

The number of grams is 434.5 g.

Explanation:

5 0
2 years ago
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