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ki77a [65]
3 years ago
13

1. When iron is oxidized, what is reduced?

Chemistry
2 answers:
lys-0071 [83]3 years ago
3 0

Answer:Oxygen

Explanation:

Oxygen gets reduced when iron is oxidized.

Nana76 [90]3 years ago
3 0

Answer:

I think it is reduced when it get dule and it has rust on it.

Explanation:

No one will want a rusty iron piece.

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Vanadium crystallizes in a body-centered cubic lattice, and the length of the edge of a unit cell is 305 pm. What is the density
Anestetic [448]

Answer:

5.96 g/cm^3

Explanation:

Corner atom = 1/8

Atoms in center = 1

Atoms in face of the cube= 1/2  

Molar mass of V = 50.94 g/mol <em>(from period table)</em>

1 mole = 6.02x10^23

<em>In BCC unit cell:</em>

(8 x 1/8)+ 1=2 per 1 unit cell

<em>Mass: </em>2(50.94g)/6.02x10^23 = 1.69x10^-22 g/unit cell

305pm=(305x10^-12m÷10^-2m) x (1mL÷1cm^3)

           = 2.837 x 10^-23 mL

<em>1pm=10^-12m</em>

<em>1cm=10^-2m</em>

<em>1mL=1cm^3</em>

<em></em>

density=mass/volume

density of V = 1.69x10^-22g÷2.837x10^-23mL

                    =5.957g/mL

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2 years ago
Calculate the grams of solute in each of the following solution: 278 mL of 0.038 M Fe2(SO4)3
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Answer:  4.22 grams of solute is there in 278 ml of 0.038 M Fe_2(SO_4)_3

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Molarity of a solution is defined as the number of moles of solute dissolved per liter of the solution.

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n = moles of solute

V_s = volume of solution in L

Now put all the given values in the formula of molality, we get

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n=0.0105mol  

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Thus 4.22 grams of solute is there in 278 ml of 0.038 M Fe_2(SO_4)_3

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